129391600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 339040800

約数和(自身を除く): 209649200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 149, 167, 200, 208, 260, 298, 325, 334, 400, 520, 596, 650, 668, 745, 835, 1040, 1192, 1300, 1336, 1490, 1670, 1937, 2171, 2384, 2600, 2672, 2980, 3340, 3725, 3874, 4175, 4342, 5200, 5960, 6680, 7450, 7748, 8350, 8684, 9685, 10855, 11920, 13360, 14900, 15496, 16700, 17368, 19370, 21710, 24883, 29800, 30992, 33400, 34736, 38740, 43420, 48425, 49766, 54275, 59600, 66800, 77480, 86840, 96850, 99532, 108550, 124415, 154960, 173680, 193700, 199064, 217100, 248830, 323479, 387400, 398128, 434200, 497660, 622075, 646958, 774800, 868400, 995320, 1244150, 1293916, 1617395, 1990640, 2488300, 2587832, 3234790, 4976600, 5175664, 6469580, 8086975, 9953200, 12939160, 16173950, 25878320, 32347900, 64695800, 129391600]

約数ペア:

[(1, 129391600), (2, 64695800), (4, 32347900), (5, 25878320), (8, 16173950), (10, 12939160), (13, 9953200), (16, 8086975), (20, 6469580), (25, 5175664), (26, 4976600), (40, 3234790), (50, 2587832), (52, 2488300), (65, 1990640), (80, 1617395), (100, 1293916), (104, 1244150), (130, 995320), (149, 868400), (167, 774800), (200, 646958), (208, 622075), (260, 497660), (298, 434200), (325, 398128), (334, 387400), (400, 323479), (520, 248830), (596, 217100), (650, 199064), (668, 193700), (745, 173680), (835, 154960), (1040, 124415), (1192, 108550), (1300, 99532), (1336, 96850), (1490, 86840), (1670, 77480), (1937, 66800), (2171, 59600), (2384, 54275), (2600, 49766), (2672, 48425), (2980, 43420), (3340, 38740), (3725, 34736), (3874, 33400), (4175, 30992), (4342, 29800), (5200, 24883), (5960, 21710), (6680, 19370), (7450, 17368), (7748, 16700), (8350, 15496), (8684, 14900), (9685, 13360), (10855, 11920)]