251255620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 717373440

約数和(自身を除く): 466117820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 44, 55, 62, 70, 76, 77, 95, 110, 124, 133, 140, 154, 155, 190, 209, 217, 220, 266, 277, 308, 310, 341, 380, 385, 418, 434, 532, 554, 589, 620, 665, 682, 770, 836, 868, 1045, 1085, 1108, 1178, 1330, 1364, 1385, 1463, 1540, 1705, 1939, 2090, 2170, 2356, 2387, 2660, 2770, 2926, 2945, 3047, 3410, 3878, 4123, 4180, 4340, 4774, 5263, 5540, 5852, 5890, 6094, 6479, 6820, 7315, 7756, 8246, 8587, 9548, 9695, 10526, 11780, 11935, 12188, 12958, 14630, 15235, 16492, 17174, 19390, 20615, 21052, 21329, 23870, 25916, 26315, 29260, 30470, 32395, 34348, 36841, 38780, 41230, 42658, 42935, 45353, 47740, 52630, 57893, 60109, 60940, 64790, 73682, 82460, 85316, 85870, 90706, 94457, 105260, 106645, 115786, 120218, 129580, 147364, 163153, 171740, 181412, 184205, 188914, 213290, 226765, 231572, 240436, 289465, 300545, 326306, 368410, 377828, 405251, 426580, 453530, 472285, 578930, 601090, 652612, 661199, 736820, 810502, 815765, 907060, 944570, 1142071, 1157860, 1202180, 1322398, 1621004, 1631530, 1794683, 1889140, 2026255, 2284142, 2644796, 3263060, 3305995, 3589366, 4052510, 4568284, 5710355, 6611990, 7178732, 8105020, 8973415, 11420710, 12562781, 13223980, 17946830, 22841420, 25125562, 35893660, 50251124, 62813905, 125627810, 251255620]

約数ペア:

[(1, 251255620), (2, 125627810), (4, 62813905), (5, 50251124), (7, 35893660), (10, 25125562), (11, 22841420), (14, 17946830), (19, 13223980), (20, 12562781), (22, 11420710), (28, 8973415), (31, 8105020), (35, 7178732), (38, 6611990), (44, 5710355), (55, 4568284), (62, 4052510), (70, 3589366), (76, 3305995), (77, 3263060), (95, 2644796), (110, 2284142), (124, 2026255), (133, 1889140), (140, 1794683), (154, 1631530), (155, 1621004), (190, 1322398), (209, 1202180), (217, 1157860), (220, 1142071), (266, 944570), (277, 907060), (308, 815765), (310, 810502), (341, 736820), (380, 661199), (385, 652612), (418, 601090), (434, 578930), (532, 472285), (554, 453530), (589, 426580), (620, 405251), (665, 377828), (682, 368410), (770, 326306), (836, 300545), (868, 289465), (1045, 240436), (1085, 231572), (1108, 226765), (1178, 213290), (1330, 188914), (1364, 184205), (1385, 181412), (1463, 171740), (1540, 163153), (1705, 147364), (1939, 129580), (2090, 120218), (2170, 115786), (2356, 106645), (2387, 105260), (2660, 94457), (2770, 90706), (2926, 85870), (2945, 85316), (3047, 82460), (3410, 73682), (3878, 64790), (4123, 60940), (4180, 60109), (4340, 57893), (4774, 52630), (5263, 47740), (5540, 45353), (5852, 42935), (5890, 42658), (6094, 41230), (6479, 38780), (6820, 36841), (7315, 34348), (7756, 32395), (8246, 30470), (8587, 29260), (9548, 26315), (9695, 25916), (10526, 23870), (11780, 21329), (11935, 21052), (12188, 20615), (12958, 19390), (14630, 17174), (15235, 16492)]