642690580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 1706987520

約数和(自身を除く): 1064296940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 71, 76, 82, 83, 95, 133, 140, 142, 164, 166, 190, 205, 266, 284, 287, 332, 355, 380, 410, 415, 497, 532, 574, 581, 665, 710, 779, 820, 830, 994, 1148, 1162, 1330, 1349, 1420, 1435, 1558, 1577, 1660, 1988, 2324, 2485, 2660, 2698, 2870, 2905, 2911, 3116, 3154, 3403, 3895, 4970, 5396, 5453, 5740, 5810, 5822, 5893, 6308, 6745, 6806, 7790, 7885, 9443, 9940, 10906, 11039, 11620, 11644, 11786, 13490, 13612, 14555, 15580, 15770, 17015, 18886, 20377, 21812, 22078, 23572, 23821, 26980, 27265, 29110, 29465, 31540, 34030, 37772, 40754, 41251, 44156, 47215, 47642, 54530, 55195, 55309, 58220, 58930, 64657, 68060, 81508, 82502, 94430, 95284, 101885, 109060, 110390, 110618, 111967, 117860, 119105, 129314, 165004, 188860, 203770, 206255, 220780, 221236, 223934, 238210, 241613, 258628, 276545, 323285, 387163, 407540, 412510, 447868, 452599, 476420, 483226, 553090, 559835, 646570, 774326, 783769, 825020, 905198, 966452, 1106180, 1119670, 1208065, 1293140, 1548652, 1567538, 1691291, 1810396, 1935815, 2239340, 2262995, 2416130, 3135076, 3382582, 3871630, 3918845, 4525990, 4590647, 4832260, 6765164, 7743260, 7837690, 8456455, 9051980, 9181294, 15675380, 16912910, 18362588, 22953235, 32134529, 33825820, 45906470, 64269058, 91812940, 128538116, 160672645, 321345290, 642690580]

約数ペア:

[(1, 642690580), (2, 321345290), (4, 160672645), (5, 128538116), (7, 91812940), (10, 64269058), (14, 45906470), (19, 33825820), (20, 32134529), (28, 22953235), (35, 18362588), (38, 16912910), (41, 15675380), (70, 9181294), (71, 9051980), (76, 8456455), (82, 7837690), (83, 7743260), (95, 6765164), (133, 4832260), (140, 4590647), (142, 4525990), (164, 3918845), (166, 3871630), (190, 3382582), (205, 3135076), (266, 2416130), (284, 2262995), (287, 2239340), (332, 1935815), (355, 1810396), (380, 1691291), (410, 1567538), (415, 1548652), (497, 1293140), (532, 1208065), (574, 1119670), (581, 1106180), (665, 966452), (710, 905198), (779, 825020), (820, 783769), (830, 774326), (994, 646570), (1148, 559835), (1162, 553090), (1330, 483226), (1349, 476420), (1420, 452599), (1435, 447868), (1558, 412510), (1577, 407540), (1660, 387163), (1988, 323285), (2324, 276545), (2485, 258628), (2660, 241613), (2698, 238210), (2870, 223934), (2905, 221236), (2911, 220780), (3116, 206255), (3154, 203770), (3403, 188860), (3895, 165004), (4970, 129314), (5396, 119105), (5453, 117860), (5740, 111967), (5810, 110618), (5822, 110390), (5893, 109060), (6308, 101885), (6745, 95284), (6806, 94430), (7790, 82502), (7885, 81508), (9443, 68060), (9940, 64657), (10906, 58930), (11039, 58220), (11620, 55309), (11644, 55195), (11786, 54530), (13490, 47642), (13612, 47215), (14555, 44156), (15580, 41251), (15770, 40754), (17015, 37772), (18886, 34030), (20377, 31540), (21812, 29465), (22078, 29110), (23572, 27265), (23821, 26980)]