255444550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15817}}^1$

素因数の和:15865

約数の個数: 48

約数和(自身を含む): 529586640

約数和(自身を除く): 274142090

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 950, 1615, 3230, 8075, 15817, 16150, 31634, 79085, 158170, 268889, 300523, 395425, 537778, 601046, 790850, 1344445, 1502615, 2688890, 3005230, 5108891, 6722225, 7513075, 10217782, 13444450, 15026150, 25544455, 51088910, 127722275, 255444550]

約数ペア:

[(1, 255444550), (2, 127722275), (5, 51088910), (10, 25544455), (17, 15026150), (19, 13444450), (25, 10217782), (34, 7513075), (38, 6722225), (50, 5108891), (85, 3005230), (95, 2688890), (170, 1502615), (190, 1344445), (323, 790850), (425, 601046), (475, 537778), (646, 395425), (850, 300523), (950, 268889), (1615, 158170), (3230, 79085), (8075, 31634), (15817, 16150)]