410666920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331183}}^1$

素因数の和:331225

約数の個数: 32

約数和(自身を含む): 953809920

約数和(自身を除く): 543143000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 331183, 662366, 1324732, 1655915, 2649464, 3311830, 6623660, 10266673, 13247320, 20533346, 41066692, 51333365, 82133384, 102666730, 205333460, 410666920]

約数ペア:

[(1, 410666920), (2, 205333460), (4, 102666730), (5, 82133384), (8, 51333365), (10, 41066692), (20, 20533346), (31, 13247320), (40, 10266673), (62, 6623660), (124, 3311830), (155, 2649464), (248, 1655915), (310, 1324732), (620, 662366), (1240, 331183)]