420820400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1100

約数の個数: 240

約数和(自身を含む): 1358746368

約数和(自身を除く): 937925968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 80, 88, 91, 100, 104, 110, 112, 130, 140, 143, 154, 175, 176, 182, 200, 208, 220, 260, 275, 280, 286, 308, 325, 350, 364, 385, 400, 440, 455, 520, 550, 560, 572, 616, 650, 700, 715, 728, 770, 880, 910, 1001, 1040, 1051, 1100, 1144, 1232, 1300, 1400, 1430, 1456, 1540, 1820, 1925, 2002, 2102, 2200, 2275, 2288, 2600, 2800, 2860, 3080, 3575, 3640, 3850, 4004, 4204, 4400, 4550, 5005, 5200, 5255, 5720, 6160, 7150, 7280, 7357, 7700, 8008, 8408, 9100, 10010, 10510, 11440, 11561, 13663, 14300, 14714, 15400, 16016, 16816, 18200, 20020, 21020, 23122, 25025, 26275, 27326, 28600, 29428, 30800, 36400, 36785, 40040, 42040, 46244, 50050, 52550, 54652, 57200, 57805, 58856, 68315, 73570, 80080, 80927, 84080, 92488, 95641, 100100, 105100, 109304, 115610, 117712, 136630, 147140, 150293, 161854, 183925, 184976, 191282, 200200, 210200, 218608, 231220, 273260, 289025, 294280, 300586, 323708, 341575, 367850, 382564, 400400, 404635, 420400, 462440, 478205, 546520, 578050, 588560, 601172, 647416, 683150, 735700, 751465, 765128, 809270, 924880, 956410, 1052051, 1093040, 1156100, 1202344, 1294832, 1366300, 1471400, 1502930, 1530256, 1618540, 1912820, 2023175, 2104102, 2312200, 2391025, 2404688, 2732600, 2942800, 3005860, 3237080, 3757325, 3825640, 4046350, 4208204, 4624400, 4782050, 5260255, 5465200, 6011720, 6474160, 7514650, 7651280, 8092700, 8416408, 9564100, 10520510, 12023440, 15029300, 16185400, 16832816, 19128200, 21041020, 26301275, 30058600, 32370800, 38256400, 42082040, 52602550, 60117200, 84164080, 105205100, 210410200, 420820400]

約数ペア:

[(1, 420820400), (2, 210410200), (4, 105205100), (5, 84164080), (7, 60117200), (8, 52602550), (10, 42082040), (11, 38256400), (13, 32370800), (14, 30058600), (16, 26301275), (20, 21041020), (22, 19128200), (25, 16832816), (26, 16185400), (28, 15029300), (35, 12023440), (40, 10520510), (44, 9564100), (50, 8416408), (52, 8092700), (55, 7651280), (56, 7514650), (65, 6474160), (70, 6011720), (77, 5465200), (80, 5260255), (88, 4782050), (91, 4624400), (100, 4208204), (104, 4046350), (110, 3825640), (112, 3757325), (130, 3237080), (140, 3005860), (143, 2942800), (154, 2732600), (175, 2404688), (176, 2391025), (182, 2312200), (200, 2104102), (208, 2023175), (220, 1912820), (260, 1618540), (275, 1530256), (280, 1502930), (286, 1471400), (308, 1366300), (325, 1294832), (350, 1202344), (364, 1156100), (385, 1093040), (400, 1052051), (440, 956410), (455, 924880), (520, 809270), (550, 765128), (560, 751465), (572, 735700), (616, 683150), (650, 647416), (700, 601172), (715, 588560), (728, 578050), (770, 546520), (880, 478205), (910, 462440), (1001, 420400), (1040, 404635), (1051, 400400), (1100, 382564), (1144, 367850), (1232, 341575), (1300, 323708), (1400, 300586), (1430, 294280), (1456, 289025), (1540, 273260), (1820, 231220), (1925, 218608), (2002, 210200), (2102, 200200), (2200, 191282), (2275, 184976), (2288, 183925), (2600, 161854), (2800, 150293), (2860, 147140), (3080, 136630), (3575, 117712), (3640, 115610), (3850, 109304), (4004, 105100), (4204, 100100), (4400, 95641), (4550, 92488), (5005, 84080), (5200, 80927), (5255, 80080), (5720, 73570), (6160, 68315), (7150, 58856), (7280, 57805), (7357, 57200), (7700, 54652), (8008, 52550), (8408, 50050), (9100, 46244), (10010, 42040), (10510, 40040), (11440, 36785), (11561, 36400), (13663, 30800), (14300, 29428), (14714, 28600), (15400, 27326), (16016, 26275), (16816, 25025), (18200, 23122), (20020, 21020)]