248879820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{84653}}^1$

素因数の和:84679

約数の個数: 72

約数和(自身を含む): 810646704

約数和(自身を除く): 561766884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 84653, 169306, 253959, 338612, 423265, 507918, 592571, 846530, 1015836, 1185142, 1269795, 1693060, 1777713, 2370284, 2539590, 2962855, 3555426, 4147997, 5079180, 5925710, 7110852, 8295994, 8888565, 11851420, 12443991, 16591988, 17777130, 20739985, 24887982, 35554260, 41479970, 49775964, 62219955, 82959940, 124439910, 248879820]

約数ペア:

[(1, 248879820), (2, 124439910), (3, 82959940), (4, 62219955), (5, 49775964), (6, 41479970), (7, 35554260), (10, 24887982), (12, 20739985), (14, 17777130), (15, 16591988), (20, 12443991), (21, 11851420), (28, 8888565), (30, 8295994), (35, 7110852), (42, 5925710), (49, 5079180), (60, 4147997), (70, 3555426), (84, 2962855), (98, 2539590), (105, 2370284), (140, 1777713), (147, 1693060), (196, 1269795), (210, 1185142), (245, 1015836), (294, 846530), (420, 592571), (490, 507918), (588, 423265), (735, 338612), (980, 253959), (1470, 169306), (2940, 84653)]