251755140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:987

約数の個数: 192

約数和(自身を含む): 886233600

約数和(自身を除く): 634478460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 343, 364, 390, 420, 455, 490, 546, 588, 637, 686, 735, 780, 910, 941, 980, 1029, 1092, 1274, 1365, 1372, 1470, 1715, 1820, 1882, 1911, 2058, 2548, 2730, 2823, 2940, 3185, 3430, 3764, 3822, 4116, 4459, 4705, 5145, 5460, 5646, 6370, 6587, 6860, 7644, 8918, 9410, 9555, 10290, 11292, 12233, 12740, 13174, 13377, 14115, 17836, 18820, 19110, 19761, 20580, 22295, 24466, 26348, 26754, 28230, 32935, 36699, 38220, 39522, 44590, 46109, 48932, 53508, 56460, 61165, 65870, 66885, 73398, 79044, 85631, 89180, 92218, 98805, 122330, 131740, 133770, 138327, 146796, 171262, 183495, 184436, 197610, 230545, 244660, 256893, 267540, 276654, 322763, 342524, 366990, 395220, 428155, 461090, 513786, 553308, 599417, 645526, 691635, 733980, 856310, 922180, 968289, 1027572, 1198834, 1284465, 1291052, 1383270, 1613815, 1712620, 1798251, 1936578, 2397668, 2568930, 2766540, 2997085, 3227630, 3596502, 3873156, 4195919, 4841445, 5137860, 5994170, 6455260, 7193004, 8391838, 8991255, 9682890, 11988340, 12587757, 16783676, 17982510, 19365780, 20979595, 25175514, 35965020, 41959190, 50351028, 62938785, 83918380, 125877570, 251755140]

約数ペア:

[(1, 251755140), (2, 125877570), (3, 83918380), (4, 62938785), (5, 50351028), (6, 41959190), (7, 35965020), (10, 25175514), (12, 20979595), (13, 19365780), (14, 17982510), (15, 16783676), (20, 12587757), (21, 11988340), (26, 9682890), (28, 8991255), (30, 8391838), (35, 7193004), (39, 6455260), (42, 5994170), (49, 5137860), (52, 4841445), (60, 4195919), (65, 3873156), (70, 3596502), (78, 3227630), (84, 2997085), (91, 2766540), (98, 2568930), (105, 2397668), (130, 1936578), (140, 1798251), (147, 1712620), (156, 1613815), (182, 1383270), (195, 1291052), (196, 1284465), (210, 1198834), (245, 1027572), (260, 968289), (273, 922180), (294, 856310), (343, 733980), (364, 691635), (390, 645526), (420, 599417), (455, 553308), (490, 513786), (546, 461090), (588, 428155), (637, 395220), (686, 366990), (735, 342524), (780, 322763), (910, 276654), (941, 267540), (980, 256893), (1029, 244660), (1092, 230545), (1274, 197610), (1365, 184436), (1372, 183495), (1470, 171262), (1715, 146796), (1820, 138327), (1882, 133770), (1911, 131740), (2058, 122330), (2548, 98805), (2730, 92218), (2823, 89180), (2940, 85631), (3185, 79044), (3430, 73398), (3764, 66885), (3822, 65870), (4116, 61165), (4459, 56460), (4705, 53508), (5145, 48932), (5460, 46109), (5646, 44590), (6370, 39522), (6587, 38220), (6860, 36699), (7644, 32935), (8918, 28230), (9410, 26754), (9555, 26348), (10290, 24466), (11292, 22295), (12233, 20580), (12740, 19761), (13174, 19110), (13377, 18820), (14115, 17836)]