173826920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1506

約数の個数: 64

約数和(自身を含む): 407946240

約数和(自身を除く): 234119320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 1361, 2060, 2722, 3193, 4120, 5444, 6386, 6805, 10888, 12772, 13610, 15965, 25544, 27220, 31930, 42191, 54440, 63860, 84382, 127720, 140183, 168764, 210955, 280366, 337528, 421910, 560732, 700915, 843820, 1121464, 1401830, 1687640, 2803660, 4345673, 5607320, 8691346, 17382692, 21728365, 34765384, 43456730, 86913460, 173826920]

約数ペア:

[(1, 173826920), (2, 86913460), (4, 43456730), (5, 34765384), (8, 21728365), (10, 17382692), (20, 8691346), (31, 5607320), (40, 4345673), (62, 2803660), (103, 1687640), (124, 1401830), (155, 1121464), (206, 843820), (248, 700915), (310, 560732), (412, 421910), (515, 337528), (620, 280366), (824, 210955), (1030, 168764), (1240, 140183), (1361, 127720), (2060, 84382), (2722, 63860), (3193, 54440), (4120, 42191), (5444, 31930), (6386, 27220), (6805, 25544), (10888, 15965), (12772, 13610)]