205121150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1038

約数の個数: 96

約数和(自身を含む): 458408160

約数和(自身を除く): 253287010

約数列:

[1, 2, 5, 10, 13, 17, 19, 25, 26, 34, 38, 50, 65, 85, 95, 130, 170, 190, 221, 247, 323, 325, 425, 442, 475, 494, 646, 650, 850, 950, 977, 1105, 1235, 1615, 1954, 2210, 2470, 3230, 4199, 4885, 5525, 6175, 8075, 8398, 9770, 11050, 12350, 12701, 16150, 16609, 18563, 20995, 24425, 25402, 33218, 37126, 41990, 48850, 63505, 83045, 92815, 104975, 127010, 166090, 185630, 209950, 215917, 241319, 315571, 317525, 415225, 431834, 464075, 482638, 631142, 635050, 830450, 928150, 1079585, 1206595, 1577855, 2159170, 2413190, 3155710, 4102423, 5397925, 6032975, 7889275, 8204846, 10795850, 12065950, 15778550, 20512115, 41024230, 102560575, 205121150]

約数ペア:

[(1, 205121150), (2, 102560575), (5, 41024230), (10, 20512115), (13, 15778550), (17, 12065950), (19, 10795850), (25, 8204846), (26, 7889275), (34, 6032975), (38, 5397925), (50, 4102423), (65, 3155710), (85, 2413190), (95, 2159170), (130, 1577855), (170, 1206595), (190, 1079585), (221, 928150), (247, 830450), (323, 635050), (325, 631142), (425, 482638), (442, 464075), (475, 431834), (494, 415225), (646, 317525), (650, 315571), (850, 241319), (950, 215917), (977, 209950), (1105, 185630), (1235, 166090), (1615, 127010), (1954, 104975), (2210, 92815), (2470, 83045), (3230, 63505), (4199, 48850), (4885, 41990), (5525, 37126), (6175, 33218), (8075, 25402), (8398, 24425), (9770, 20995), (11050, 18563), (12350, 16609), (12701, 16150)]