6558980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 14515200

約数和(自身を除く): 7956220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 149, 155, 284, 298, 310, 355, 596, 620, 710, 745, 1420, 1490, 2201, 2980, 4402, 4619, 8804, 9238, 10579, 11005, 18476, 21158, 22010, 23095, 42316, 44020, 46190, 52895, 92380, 105790, 211580, 327949, 655898, 1311796, 1639745, 3279490, 6558980]

約数ペア:

[(1, 6558980), (2, 3279490), (4, 1639745), (5, 1311796), (10, 655898), (20, 327949), (31, 211580), (62, 105790), (71, 92380), (124, 52895), (142, 46190), (149, 44020), (155, 42316), (284, 23095), (298, 22010), (310, 21158), (355, 18476), (596, 11005), (620, 10579), (710, 9238), (745, 8804), (1420, 4619), (1490, 4402), (2201, 2980)]