205412012820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{81799}}^1$

素因数の和:83814

約数の個数: 144

約数和(自身を含む): 712460985600

約数和(自身を除く): 507048972780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1993, 3986, 5979, 7972, 9965, 11958, 13951, 17937, 19930, 23916, 27902, 29895, 35874, 39860, 41853, 55804, 59790, 69755, 71748, 81799, 83706, 89685, 119580, 125559, 139510, 163598, 167412, 179370, 209265, 245397, 251118, 279020, 327196, 358740, 408995, 418530, 490794, 502236, 572593, 627795, 736191, 817990, 837060, 981588, 1145186, 1226985, 1255590, 1472382, 1635980, 1717779, 2290372, 2453970, 2511180, 2862965, 2944764, 3435558, 3680955, 4907940, 5153337, 5725930, 6871116, 7361910, 8588895, 10306674, 11451860, 14723820, 17177790, 20613348, 25766685, 34355580, 51533370, 103066740, 163025407, 326050814, 489076221, 652101628, 815127035, 978152442, 1141177849, 1467228663, 1630254070, 1956304884, 2282355698, 2445381105, 2934457326, 3260508140, 3423533547, 4564711396, 4890762210, 5705889245, 5868914652, 6847067094, 7336143315, 9781524420, 10270600641, 11411778490, 13694134188, 14672286630, 17117667735, 20541201282, 22823556980, 29344573260, 34235335470, 41082402564, 51353003205, 68470670940, 102706006410, 205412012820]

約数ペア:

[(1, 205412012820), (2, 102706006410), (3, 68470670940), (4, 51353003205), (5, 41082402564), (6, 34235335470), (7, 29344573260), (9, 22823556980), (10, 20541201282), (12, 17117667735), (14, 14672286630), (15, 13694134188), (18, 11411778490), (20, 10270600641), (21, 9781524420), (28, 7336143315), (30, 6847067094), (35, 5868914652), (36, 5705889245), (42, 4890762210), (45, 4564711396), (60, 3423533547), (63, 3260508140), (70, 2934457326), (84, 2445381105), (90, 2282355698), (105, 1956304884), (126, 1630254070), (140, 1467228663), (180, 1141177849), (210, 978152442), (252, 815127035), (315, 652101628), (420, 489076221), (630, 326050814), (1260, 163025407), (1993, 103066740), (3986, 51533370), (5979, 34355580), (7972, 25766685), (9965, 20613348), (11958, 17177790), (13951, 14723820), (17937, 11451860), (19930, 10306674), (23916, 8588895), (27902, 7361910), (29895, 6871116), (35874, 5725930), (39860, 5153337), (41853, 4907940), (55804, 3680955), (59790, 3435558), (69755, 2944764), (71748, 2862965), (81799, 2511180), (83706, 2453970), (89685, 2290372), (119580, 1717779), (125559, 1635980), (139510, 1472382), (163598, 1255590), (167412, 1226985), (179370, 1145186), (209265, 981588), (245397, 837060), (251118, 817990), (279020, 736191), (327196, 627795), (358740, 572593), (408995, 502236), (418530, 490794)]