217417750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 447550272

約数和(自身を除く): 230132522

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 173, 250, 275, 346, 457, 550, 865, 914, 1375, 1730, 1903, 2285, 2750, 3806, 4325, 4570, 5027, 8650, 9515, 10054, 11425, 19030, 21625, 22850, 25135, 43250, 47575, 50270, 57125, 79061, 95150, 114250, 125675, 158122, 237875, 251350, 395305, 475750, 628375, 790610, 869671, 1256750, 1739342, 1976525, 3953050, 4348355, 8696710, 9882625, 19765250, 21741775, 43483550, 108708875, 217417750]

約数ペア:

[(1, 217417750), (2, 108708875), (5, 43483550), (10, 21741775), (11, 19765250), (22, 9882625), (25, 8696710), (50, 4348355), (55, 3953050), (110, 1976525), (125, 1739342), (173, 1256750), (250, 869671), (275, 790610), (346, 628375), (457, 475750), (550, 395305), (865, 251350), (914, 237875), (1375, 158122), (1730, 125675), (1903, 114250), (2285, 95150), (2750, 79061), (3806, 57125), (4325, 50270), (4570, 47575), (5027, 43250), (8650, 25135), (9515, 22850), (10054, 21625), (11425, 19030)]