148391420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3371}}^1$

素因数の和:3482

約数の個数: 48

約数和(自身を含む): 326301696

約数和(自身を除く): 177910276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 3371, 4402, 6742, 8804, 11005, 13484, 16855, 22010, 33710, 44020, 67420, 104501, 209002, 239341, 418004, 478682, 522505, 957364, 1045010, 1196705, 2090020, 2393410, 4786820, 7419571, 14839142, 29678284, 37097855, 74195710, 148391420]

約数ペア:

[(1, 148391420), (2, 74195710), (4, 37097855), (5, 29678284), (10, 14839142), (20, 7419571), (31, 4786820), (62, 2393410), (71, 2090020), (124, 1196705), (142, 1045010), (155, 957364), (284, 522505), (310, 478682), (355, 418004), (620, 239341), (710, 209002), (1420, 104501), (2201, 67420), (3371, 44020), (4402, 33710), (6742, 22010), (8804, 16855), (11005, 13484)]