78298840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67499}}^1$

素因数の和:67539

約数の個数: 32

約数和(自身を含む): 182250000

約数和(自身を除く): 103951160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67499, 134998, 269996, 337495, 539992, 674990, 1349980, 1957471, 2699960, 3914942, 7829884, 9787355, 15659768, 19574710, 39149420, 78298840]

約数ペア:

[(1, 78298840), (2, 39149420), (4, 19574710), (5, 15659768), (8, 9787355), (10, 7829884), (20, 3914942), (29, 2699960), (40, 1957471), (58, 1349980), (116, 674990), (145, 539992), (232, 337495), (290, 269996), (580, 134998), (1160, 67499)]