28774880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 73483200

約数和(自身を除く): 44708320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 71, 80, 85, 136, 142, 149, 160, 170, 272, 284, 298, 340, 355, 544, 568, 596, 680, 710, 745, 1136, 1192, 1207, 1360, 1420, 1490, 2272, 2384, 2414, 2533, 2720, 2840, 2980, 4768, 4828, 5066, 5680, 5960, 6035, 9656, 10132, 10579, 11360, 11920, 12070, 12665, 19312, 20264, 21158, 23840, 24140, 25330, 38624, 40528, 42316, 48280, 50660, 52895, 81056, 84632, 96560, 101320, 105790, 169264, 179843, 193120, 202640, 211580, 338528, 359686, 405280, 423160, 719372, 846320, 899215, 1438744, 1692640, 1798430, 2877488, 3596860, 5754976, 7193720, 14387440, 28774880]

約数ペア:

[(1, 28774880), (2, 14387440), (4, 7193720), (5, 5754976), (8, 3596860), (10, 2877488), (16, 1798430), (17, 1692640), (20, 1438744), (32, 899215), (34, 846320), (40, 719372), (68, 423160), (71, 405280), (80, 359686), (85, 338528), (136, 211580), (142, 202640), (149, 193120), (160, 179843), (170, 169264), (272, 105790), (284, 101320), (298, 96560), (340, 84632), (355, 81056), (544, 52895), (568, 50660), (596, 48280), (680, 42316), (710, 40528), (745, 38624), (1136, 25330), (1192, 24140), (1207, 23840), (1360, 21158), (1420, 20264), (1490, 19312), (2272, 12665), (2384, 12070), (2414, 11920), (2533, 11360), (2720, 10579), (2840, 10132), (2980, 9656), (4768, 6035), (4828, 5960), (5066, 5680)]