2975366980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{11399}}^1$

素因数の和:11860

約数の個数: 48

約数和(自身を含む): 6465715200

約数和(自身を除く): 3490348220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 421, 620, 842, 1684, 2105, 4210, 8420, 11399, 13051, 22798, 26102, 45596, 52204, 56995, 65255, 113990, 130510, 227980, 261020, 353369, 706738, 1413476, 1766845, 3533690, 4798979, 7067380, 9597958, 19195916, 23994895, 47989790, 95979580, 148768349, 297536698, 595073396, 743841745, 1487683490, 2975366980]

約数ペア:

[(1, 2975366980), (2, 1487683490), (4, 743841745), (5, 595073396), (10, 297536698), (20, 148768349), (31, 95979580), (62, 47989790), (124, 23994895), (155, 19195916), (310, 9597958), (421, 7067380), (620, 4798979), (842, 3533690), (1684, 1766845), (2105, 1413476), (4210, 706738), (8420, 353369), (11399, 261020), (13051, 227980), (22798, 130510), (26102, 113990), (45596, 65255), (52204, 56995)]