281145200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 826613760

約数和(自身を除く): 545468560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 41, 50, 56, 62, 70, 79, 80, 82, 100, 112, 124, 140, 155, 158, 164, 175, 200, 205, 217, 248, 280, 287, 310, 316, 328, 350, 395, 400, 410, 434, 496, 553, 560, 574, 620, 632, 656, 700, 775, 790, 820, 868, 1025, 1085, 1106, 1148, 1240, 1264, 1271, 1400, 1435, 1550, 1580, 1640, 1736, 1975, 2050, 2170, 2212, 2296, 2449, 2480, 2542, 2765, 2800, 2870, 3100, 3160, 3239, 3280, 3472, 3950, 4100, 4340, 4424, 4592, 4898, 5084, 5425, 5530, 5740, 6200, 6320, 6355, 6478, 7175, 7900, 8200, 8680, 8848, 8897, 9796, 10168, 10850, 11060, 11480, 12245, 12400, 12710, 12956, 13825, 14350, 15800, 16195, 16400, 17143, 17360, 17794, 19592, 20336, 21700, 22120, 22673, 22960, 24490, 25420, 25912, 27650, 28700, 31600, 31775, 32390, 34286, 35588, 39184, 43400, 44240, 44485, 45346, 48980, 50840, 51824, 55300, 57400, 61225, 63550, 64780, 68572, 71176, 80975, 85715, 86800, 88970, 90692, 97960, 100409, 101680, 110600, 113365, 114800, 122450, 127100, 129560, 137144, 142352, 161950, 171430, 177940, 181384, 195920, 200818, 221200, 222425, 226730, 244900, 254200, 259120, 274288, 323900, 342860, 355880, 362768, 401636, 428575, 444850, 453460, 489800, 502045, 508400, 566825, 647800, 685720, 702863, 711760, 803272, 857150, 889700, 906920, 979600, 1004090, 1133650, 1295600, 1371440, 1405726, 1606544, 1714300, 1779400, 1813840, 2008180, 2267300, 2510225, 2811452, 3428600, 3514315, 3558800, 4016360, 4534600, 5020450, 5622904, 6857200, 7028630, 8032720, 9069200, 10040900, 11245808, 14057260, 17571575, 20081800, 28114520, 35143150, 40163600, 56229040, 70286300, 140572600, 281145200]

約数ペア:

[(1, 281145200), (2, 140572600), (4, 70286300), (5, 56229040), (7, 40163600), (8, 35143150), (10, 28114520), (14, 20081800), (16, 17571575), (20, 14057260), (25, 11245808), (28, 10040900), (31, 9069200), (35, 8032720), (40, 7028630), (41, 6857200), (50, 5622904), (56, 5020450), (62, 4534600), (70, 4016360), (79, 3558800), (80, 3514315), (82, 3428600), (100, 2811452), (112, 2510225), (124, 2267300), (140, 2008180), (155, 1813840), (158, 1779400), (164, 1714300), (175, 1606544), (200, 1405726), (205, 1371440), (217, 1295600), (248, 1133650), (280, 1004090), (287, 979600), (310, 906920), (316, 889700), (328, 857150), (350, 803272), (395, 711760), (400, 702863), (410, 685720), (434, 647800), (496, 566825), (553, 508400), (560, 502045), (574, 489800), (620, 453460), (632, 444850), (656, 428575), (700, 401636), (775, 362768), (790, 355880), (820, 342860), (868, 323900), (1025, 274288), (1085, 259120), (1106, 254200), (1148, 244900), (1240, 226730), (1264, 222425), (1271, 221200), (1400, 200818), (1435, 195920), (1550, 181384), (1580, 177940), (1640, 171430), (1736, 161950), (1975, 142352), (2050, 137144), (2170, 129560), (2212, 127100), (2296, 122450), (2449, 114800), (2480, 113365), (2542, 110600), (2765, 101680), (2800, 100409), (2870, 97960), (3100, 90692), (3160, 88970), (3239, 86800), (3280, 85715), (3472, 80975), (3950, 71176), (4100, 68572), (4340, 64780), (4424, 63550), (4592, 61225), (4898, 57400), (5084, 55300), (5425, 51824), (5530, 50840), (5740, 48980), (6200, 45346), (6320, 44485), (6355, 44240), (6478, 43400), (7175, 39184), (7900, 35588), (8200, 34286), (8680, 32390), (8848, 31775), (8897, 31600), (9796, 28700), (10168, 27650), (10850, 25912), (11060, 25420), (11480, 24490), (12245, 22960), (12400, 22673), (12710, 22120), (12956, 21700), (13825, 20336), (14350, 19592), (15800, 17794), (16195, 17360), (16400, 17143)]