201985460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325783}}^1$

素因数の和:325823

約数の個数: 24

約数和(自身を含む): 437853696

約数和(自身を除く): 235868236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325783, 651566, 1303132, 1628915, 3257830, 6515660, 10099273, 20198546, 40397092, 50496365, 100992730, 201985460]

約数ペア:

[(1, 201985460), (2, 100992730), (4, 50496365), (5, 40397092), (10, 20198546), (20, 10099273), (31, 6515660), (62, 3257830), (124, 1628915), (155, 1303132), (310, 651566), (620, 325783)]