217384480

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22273}}^1$

素因数の和:22349

約数の個数: 48

約数和(自身を含む): 522013464

約数和(自身を除く): 304628984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 22273, 44546, 89092, 111365, 178184, 222730, 356368, 445460, 712736, 890920, 1358653, 1781840, 2717306, 3563680, 5434612, 6793265, 10869224, 13586530, 21738448, 27173060, 43476896, 54346120, 108692240, 217384480]

約数ペア:

[(1, 217384480), (2, 108692240), (4, 54346120), (5, 43476896), (8, 27173060), (10, 21738448), (16, 13586530), (20, 10869224), (32, 6793265), (40, 5434612), (61, 3563680), (80, 2717306), (122, 1781840), (160, 1358653), (244, 890920), (305, 712736), (488, 445460), (610, 356368), (976, 222730), (1220, 178184), (1952, 111365), (2440, 89092), (4880, 44546), (9760, 22273)]