51071240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 136080000

約数和(自身を除く): 85008760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 41, 44, 55, 76, 82, 88, 95, 110, 149, 152, 164, 190, 205, 209, 220, 298, 328, 380, 410, 418, 440, 451, 596, 745, 760, 779, 820, 836, 902, 1045, 1192, 1490, 1558, 1639, 1640, 1672, 1804, 2090, 2255, 2831, 2980, 3116, 3278, 3608, 3895, 4180, 4510, 5662, 5960, 6109, 6232, 6556, 7790, 8195, 8360, 8569, 9020, 11324, 12218, 13112, 14155, 15580, 16390, 17138, 18040, 22648, 24436, 28310, 30545, 31141, 31160, 32780, 34276, 42845, 48872, 56620, 61090, 62282, 65560, 67199, 68552, 85690, 113240, 116071, 122180, 124564, 134398, 155705, 171380, 232142, 244360, 249128, 268796, 311410, 335995, 342760, 464284, 537592, 580355, 622820, 671990, 928568, 1160710, 1245640, 1276781, 1343980, 2321420, 2553562, 2687960, 4642840, 5107124, 6383905, 10214248, 12767810, 25535620, 51071240]

約数ペア:

[(1, 51071240), (2, 25535620), (4, 12767810), (5, 10214248), (8, 6383905), (10, 5107124), (11, 4642840), (19, 2687960), (20, 2553562), (22, 2321420), (38, 1343980), (40, 1276781), (41, 1245640), (44, 1160710), (55, 928568), (76, 671990), (82, 622820), (88, 580355), (95, 537592), (110, 464284), (149, 342760), (152, 335995), (164, 311410), (190, 268796), (205, 249128), (209, 244360), (220, 232142), (298, 171380), (328, 155705), (380, 134398), (410, 124564), (418, 122180), (440, 116071), (451, 113240), (596, 85690), (745, 68552), (760, 67199), (779, 65560), (820, 62282), (836, 61090), (902, 56620), (1045, 48872), (1192, 42845), (1490, 34276), (1558, 32780), (1639, 31160), (1640, 31141), (1672, 30545), (1804, 28310), (2090, 24436), (2255, 22648), (2831, 18040), (2980, 17138), (3116, 16390), (3278, 15580), (3608, 14155), (3895, 13112), (4180, 12218), (4510, 11324), (5662, 9020), (5960, 8569), (6109, 8360), (6232, 8195), (6556, 7790)]