5281220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 13703256

約数和(自身を除く): 8422036

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 317, 340, 476, 490, 595, 634, 833, 980, 1190, 1268, 1585, 1666, 2219, 2380, 3170, 3332, 4165, 4438, 5389, 6340, 8330, 8876, 10778, 11095, 15533, 16660, 21556, 22190, 26945, 31066, 37723, 44380, 53890, 62132, 75446, 77665, 107780, 150892, 155330, 188615, 264061, 310660, 377230, 528122, 754460, 1056244, 1320305, 2640610, 5281220]

約数ペア:

[(1, 5281220), (2, 2640610), (4, 1320305), (5, 1056244), (7, 754460), (10, 528122), (14, 377230), (17, 310660), (20, 264061), (28, 188615), (34, 155330), (35, 150892), (49, 107780), (68, 77665), (70, 75446), (85, 62132), (98, 53890), (119, 44380), (140, 37723), (170, 31066), (196, 26945), (238, 22190), (245, 21556), (317, 16660), (340, 15533), (476, 11095), (490, 10778), (595, 8876), (634, 8330), (833, 6340), (980, 5389), (1190, 4438), (1268, 4165), (1585, 3332), (1666, 3170), (2219, 2380)]