56170400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 161427168

約数和(自身を除く): 105256768

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 160, 176, 200, 208, 220, 260, 275, 286, 325, 352, 400, 416, 440, 491, 520, 550, 572, 650, 715, 800, 880, 982, 1040, 1100, 1144, 1300, 1430, 1760, 1964, 2080, 2200, 2288, 2455, 2600, 2860, 3575, 3928, 4400, 4576, 4910, 5200, 5401, 5720, 6383, 7150, 7856, 8800, 9820, 10400, 10802, 11440, 12275, 12766, 14300, 15712, 19640, 21604, 22880, 24550, 25532, 27005, 28600, 31915, 39280, 43208, 49100, 51064, 54010, 57200, 63830, 70213, 78560, 86416, 98200, 102128, 108020, 114400, 127660, 135025, 140426, 159575, 172832, 196400, 204256, 216040, 255320, 270050, 280852, 319150, 351065, 392800, 432080, 510640, 540100, 561704, 638300, 702130, 864160, 1021280, 1080200, 1123408, 1276600, 1404260, 1755325, 2160400, 2246816, 2553200, 2808520, 3510650, 4320800, 5106400, 5617040, 7021300, 11234080, 14042600, 28085200, 56170400]

約数ペア:

[(1, 56170400), (2, 28085200), (4, 14042600), (5, 11234080), (8, 7021300), (10, 5617040), (11, 5106400), (13, 4320800), (16, 3510650), (20, 2808520), (22, 2553200), (25, 2246816), (26, 2160400), (32, 1755325), (40, 1404260), (44, 1276600), (50, 1123408), (52, 1080200), (55, 1021280), (65, 864160), (80, 702130), (88, 638300), (100, 561704), (104, 540100), (110, 510640), (130, 432080), (143, 392800), (160, 351065), (176, 319150), (200, 280852), (208, 270050), (220, 255320), (260, 216040), (275, 204256), (286, 196400), (325, 172832), (352, 159575), (400, 140426), (416, 135025), (440, 127660), (491, 114400), (520, 108020), (550, 102128), (572, 98200), (650, 86416), (715, 78560), (800, 70213), (880, 63830), (982, 57200), (1040, 54010), (1100, 51064), (1144, 49100), (1300, 43208), (1430, 39280), (1760, 31915), (1964, 28600), (2080, 27005), (2200, 25532), (2288, 24550), (2455, 22880), (2600, 21604), (2860, 19640), (3575, 15712), (3928, 14300), (4400, 12766), (4576, 12275), (4910, 11440), (5200, 10802), (5401, 10400), (5720, 9820), (6383, 8800), (7150, 7856)]