308273920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 808835328

約数和(自身を除く): 500561408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 457, 496, 527, 544, 620, 640, 680, 914, 992, 1054, 1088, 1240, 1280, 1360, 1828, 1984, 2108, 2176, 2285, 2480, 2635, 2720, 3656, 3968, 4216, 4352, 4570, 4960, 5270, 5440, 7312, 7769, 7936, 8432, 9140, 9920, 10540, 10880, 14167, 14624, 15538, 16864, 18280, 19840, 21080, 21760, 28334, 29248, 31076, 33728, 36560, 38845, 39680, 42160, 56668, 58496, 62152, 67456, 70835, 73120, 77690, 84320, 113336, 116992, 124304, 134912, 141670, 146240, 155380, 168640, 226672, 240839, 248608, 283340, 292480, 310760, 337280, 453344, 481678, 497216, 566680, 584960, 621520, 674560, 906688, 963356, 994432, 1133360, 1204195, 1243040, 1813376, 1926712, 1988864, 2266720, 2408390, 2486080, 3626752, 3853424, 4533440, 4816780, 4972160, 7706848, 9066880, 9633560, 9944320, 15413696, 18133760, 19267120, 30827392, 38534240, 61654784, 77068480, 154136960, 308273920]

約数ペア:

[(1, 308273920), (2, 154136960), (4, 77068480), (5, 61654784), (8, 38534240), (10, 30827392), (16, 19267120), (17, 18133760), (20, 15413696), (31, 9944320), (32, 9633560), (34, 9066880), (40, 7706848), (62, 4972160), (64, 4816780), (68, 4533440), (80, 3853424), (85, 3626752), (124, 2486080), (128, 2408390), (136, 2266720), (155, 1988864), (160, 1926712), (170, 1813376), (248, 1243040), (256, 1204195), (272, 1133360), (310, 994432), (320, 963356), (340, 906688), (457, 674560), (496, 621520), (527, 584960), (544, 566680), (620, 497216), (640, 481678), (680, 453344), (914, 337280), (992, 310760), (1054, 292480), (1088, 283340), (1240, 248608), (1280, 240839), (1360, 226672), (1828, 168640), (1984, 155380), (2108, 146240), (2176, 141670), (2285, 134912), (2480, 124304), (2635, 116992), (2720, 113336), (3656, 84320), (3968, 77690), (4216, 73120), (4352, 70835), (4570, 67456), (4960, 62152), (5270, 58496), (5440, 56668), (7312, 42160), (7769, 39680), (7936, 38845), (8432, 36560), (9140, 33728), (9920, 31076), (10540, 29248), (10880, 28334), (14167, 21760), (14624, 21080), (15538, 19840), (16864, 18280)]