78354760

素因数分解:

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

素因数の和:16222

約数の個数: 48

約数和(自身を含む): 193794300

約数和(自身を除く): 115439540

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, 2420, 4840, 16189, 32378, 64756, 80945, 129512, 161890, 178079, 323780, 356158, 647560, 712316, 890395, 1424632, 1780790, 1958869, 3561580, 3917738, 7123160, 7835476, 9794345, 15670952, 19588690, 39177380, 78354760]

約数ペア:

[(1, 78354760), (2, 39177380), (4, 19588690), (5, 15670952), (8, 9794345), (10, 7835476), (11, 7123160), (20, 3917738), (22, 3561580), (40, 1958869), (44, 1780790), (55, 1424632), (88, 890395), (110, 712316), (121, 647560), (220, 356158), (242, 323780), (440, 178079), (484, 161890), (605, 129512), (968, 80945), (1210, 64756), (2420, 32378), (4840, 16189)]