201030040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 469647360

約数和(自身を除く): 268617320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 248, 310, 446, 620, 727, 892, 1115, 1240, 1454, 1784, 2230, 2908, 3635, 4460, 5816, 6913, 7270, 8920, 13826, 14540, 22537, 27652, 29080, 34565, 45074, 55304, 69130, 90148, 112685, 138260, 162121, 180296, 225370, 276520, 324242, 450740, 648484, 810605, 901480, 1296968, 1621210, 3242420, 5025751, 6484840, 10051502, 20103004, 25128755, 40206008, 50257510, 100515020, 201030040]

約数ペア:

[(1, 201030040), (2, 100515020), (4, 50257510), (5, 40206008), (8, 25128755), (10, 20103004), (20, 10051502), (31, 6484840), (40, 5025751), (62, 3242420), (124, 1621210), (155, 1296968), (223, 901480), (248, 810605), (310, 648484), (446, 450740), (620, 324242), (727, 276520), (892, 225370), (1115, 180296), (1240, 162121), (1454, 138260), (1784, 112685), (2230, 90148), (2908, 69130), (3635, 55304), (4460, 45074), (5816, 34565), (6913, 29080), (7270, 27652), (8920, 22537), (13826, 14540)]