157068820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4013}}^1$

素因数の和:4144

約数の個数: 48

約数和(自身を含む): 350663040

約数和(自身を除く): 193594220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 4013, 7828, 8026, 9785, 16052, 19570, 20065, 39140, 40130, 76247, 80260, 152494, 304988, 381235, 413339, 762470, 826678, 1524940, 1653356, 2066695, 4133390, 7853441, 8266780, 15706882, 31413764, 39267205, 78534410, 157068820]

約数ペア:

[(1, 157068820), (2, 78534410), (4, 39267205), (5, 31413764), (10, 15706882), (19, 8266780), (20, 7853441), (38, 4133390), (76, 2066695), (95, 1653356), (103, 1524940), (190, 826678), (206, 762470), (380, 413339), (412, 381235), (515, 304988), (1030, 152494), (1957, 80260), (2060, 76247), (3914, 40130), (4013, 39140), (7828, 20065), (8026, 19570), (9785, 16052)]