861902360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{16189}}^1$

素因数の和:16233

約数の個数: 64

約数和(自身を含む): 2133194400

約数和(自身を除く): 1271292040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 2420, 2662, 4840, 5324, 6655, 10648, 13310, 16189, 26620, 32378, 53240, 64756, 80945, 129512, 161890, 178079, 323780, 356158, 647560, 712316, 890395, 1424632, 1780790, 1958869, 3561580, 3917738, 7123160, 7835476, 9794345, 15670952, 19588690, 21547559, 39177380, 43095118, 78354760, 86190236, 107737795, 172380472, 215475590, 430951180, 861902360]

約数ペア:

[(1, 861902360), (2, 430951180), (4, 215475590), (5, 172380472), (8, 107737795), (10, 86190236), (11, 78354760), (20, 43095118), (22, 39177380), (40, 21547559), (44, 19588690), (55, 15670952), (88, 9794345), (110, 7835476), (121, 7123160), (220, 3917738), (242, 3561580), (440, 1958869), (484, 1780790), (605, 1424632), (968, 890395), (1210, 712316), (1331, 647560), (2420, 356158), (2662, 323780), (4840, 178079), (5324, 161890), (6655, 129512), (10648, 80945), (13310, 64756), (16189, 53240), (26620, 32378)]