28203490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 61544448

約数和(自身を除く): 33340958

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 62, 70, 82, 155, 205, 217, 287, 310, 317, 410, 434, 574, 634, 1085, 1271, 1435, 1585, 2170, 2219, 2542, 2870, 3170, 4438, 6355, 8897, 9827, 11095, 12710, 12997, 17794, 19654, 22190, 25994, 44485, 49135, 64985, 68789, 88970, 90979, 98270, 129970, 137578, 181958, 343945, 402907, 454895, 687890, 805814, 909790, 2014535, 2820349, 4029070, 5640698, 14101745, 28203490]

約数ペア:

[(1, 28203490), (2, 14101745), (5, 5640698), (7, 4029070), (10, 2820349), (14, 2014535), (31, 909790), (35, 805814), (41, 687890), (62, 454895), (70, 402907), (82, 343945), (155, 181958), (205, 137578), (217, 129970), (287, 98270), (310, 90979), (317, 88970), (410, 68789), (434, 64985), (574, 49135), (634, 44485), (1085, 25994), (1271, 22190), (1435, 19654), (1585, 17794), (2170, 12997), (2219, 12710), (2542, 11095), (2870, 9827), (3170, 8897), (4438, 6355)]