128790340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 338913792

約数和(自身を除く): 210123452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 47, 70, 74, 92, 94, 115, 140, 148, 161, 185, 188, 230, 235, 259, 322, 329, 370, 460, 470, 518, 529, 644, 658, 740, 805, 851, 940, 1036, 1058, 1081, 1295, 1316, 1610, 1645, 1702, 1739, 2116, 2162, 2590, 2645, 3220, 3290, 3404, 3478, 3703, 4255, 4324, 5180, 5290, 5405, 5957, 6580, 6956, 7406, 7567, 8510, 8695, 10580, 10810, 11914, 12173, 14812, 15134, 17020, 17390, 18515, 19573, 21620, 23828, 24346, 24863, 29785, 30268, 34780, 37030, 37835, 39146, 39997, 48692, 49726, 59570, 60865, 74060, 75670, 78292, 79994, 97865, 99452, 119140, 121730, 124315, 137011, 151340, 159988, 174041, 195730, 199985, 243460, 248630, 274022, 279979, 348082, 391460, 399970, 497260, 548044, 559958, 685055, 696164, 799940, 870205, 919931, 1119916, 1370110, 1399895, 1740410, 1839862, 2740220, 2799790, 3480820, 3679724, 4599655, 5599580, 6439517, 9199310, 12879034, 18398620, 25758068, 32197585, 64395170, 128790340]

約数ペア:

[(1, 128790340), (2, 64395170), (4, 32197585), (5, 25758068), (7, 18398620), (10, 12879034), (14, 9199310), (20, 6439517), (23, 5599580), (28, 4599655), (35, 3679724), (37, 3480820), (46, 2799790), (47, 2740220), (70, 1839862), (74, 1740410), (92, 1399895), (94, 1370110), (115, 1119916), (140, 919931), (148, 870205), (161, 799940), (185, 696164), (188, 685055), (230, 559958), (235, 548044), (259, 497260), (322, 399970), (329, 391460), (370, 348082), (460, 279979), (470, 274022), (518, 248630), (529, 243460), (644, 199985), (658, 195730), (740, 174041), (805, 159988), (851, 151340), (940, 137011), (1036, 124315), (1058, 121730), (1081, 119140), (1295, 99452), (1316, 97865), (1610, 79994), (1645, 78292), (1702, 75670), (1739, 74060), (2116, 60865), (2162, 59570), (2590, 49726), (2645, 48692), (3220, 39997), (3290, 39146), (3404, 37835), (3478, 37030), (3703, 34780), (4255, 30268), (4324, 29785), (5180, 24863), (5290, 24346), (5405, 23828), (5957, 21620), (6580, 19573), (6956, 18515), (7406, 17390), (7567, 17020), (8510, 15134), (8695, 14812), (10580, 12173), (10810, 11914)]