214928360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{75679}}^1$

素因数の和:75761

約数の個数: 32

約数和(自身を含む): 490406400

約数和(自身を除く): 275478040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 75679, 151358, 302716, 378395, 605432, 756790, 1513580, 3027160, 5373209, 10746418, 21492836, 26866045, 42985672, 53732090, 107464180, 214928360]

約数ペア:

[(1, 214928360), (2, 107464180), (4, 53732090), (5, 42985672), (8, 26866045), (10, 21492836), (20, 10746418), (40, 5373209), (71, 3027160), (142, 1513580), (284, 756790), (355, 605432), (568, 378395), (710, 302716), (1420, 151358), (2840, 75679)]