249907240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9311}}^1$

素因数の和:9394

約数の個数: 64

約数和(自身を含む): 623531520

約数和(自身を除く): 373624280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 9311, 13420, 18622, 26840, 37244, 46555, 74488, 93110, 102421, 186220, 204842, 372440, 409684, 512105, 567971, 819368, 1024210, 1135942, 2048420, 2271884, 2839855, 4096840, 4543768, 5679710, 6247681, 11359420, 12495362, 22718840, 24990724, 31238405, 49981448, 62476810, 124953620, 249907240]

約数ペア:

[(1, 249907240), (2, 124953620), (4, 62476810), (5, 49981448), (8, 31238405), (10, 24990724), (11, 22718840), (20, 12495362), (22, 11359420), (40, 6247681), (44, 5679710), (55, 4543768), (61, 4096840), (88, 2839855), (110, 2271884), (122, 2048420), (220, 1135942), (244, 1024210), (305, 819368), (440, 567971), (488, 512105), (610, 409684), (671, 372440), (1220, 204842), (1342, 186220), (2440, 102421), (2684, 93110), (3355, 74488), (5368, 46555), (6710, 37244), (9311, 26840), (13420, 18622)]