202131320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 466352640

約数和(自身を除く): 264221320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 103, 142, 206, 284, 355, 412, 515, 568, 691, 710, 824, 1030, 1382, 1420, 2060, 2764, 2840, 3455, 4120, 5528, 6910, 7313, 13820, 14626, 27640, 29252, 36565, 49061, 58504, 71173, 73130, 98122, 142346, 146260, 196244, 245305, 284692, 292520, 355865, 392488, 490610, 569384, 711730, 981220, 1423460, 1962440, 2846920, 5053283, 10106566, 20213132, 25266415, 40426264, 50532830, 101065660, 202131320]

約数ペア:

[(1, 202131320), (2, 101065660), (4, 50532830), (5, 40426264), (8, 25266415), (10, 20213132), (20, 10106566), (40, 5053283), (71, 2846920), (103, 1962440), (142, 1423460), (206, 981220), (284, 711730), (355, 569384), (412, 490610), (515, 392488), (568, 355865), (691, 292520), (710, 284692), (824, 245305), (1030, 196244), (1382, 146260), (1420, 142346), (2060, 98122), (2764, 73130), (2840, 71173), (3455, 58504), (4120, 49061), (5528, 36565), (6910, 29252), (7313, 27640), (13820, 14626)]