389804950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{14149}}^1$

素因数の和:14209

約数の個数: 48

約数和(自身を含む): 789570000

約数和(自身を除く): 399765050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2755, 5510, 13775, 14149, 27550, 28298, 70745, 141490, 268831, 353725, 410321, 537662, 707450, 820642, 1344155, 2051605, 2688310, 4103210, 6720775, 7796099, 10258025, 13441550, 15592198, 20516050, 38980495, 77960990, 194902475, 389804950]

約数ペア:

[(1, 389804950), (2, 194902475), (5, 77960990), (10, 38980495), (19, 20516050), (25, 15592198), (29, 13441550), (38, 10258025), (50, 7796099), (58, 6720775), (95, 4103210), (145, 2688310), (190, 2051605), (290, 1344155), (475, 820642), (551, 707450), (725, 537662), (950, 410321), (1102, 353725), (1450, 268831), (2755, 141490), (5510, 70745), (13775, 28298), (14149, 27550)]