142892020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{230471}}^1$

素因数の和:230511

約数の個数: 24

約数和(自身を含む): 309754368

約数和(自身を除く): 166862348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 230471, 460942, 921884, 1152355, 2304710, 4609420, 7144601, 14289202, 28578404, 35723005, 71446010, 142892020]

約数ペア:

[(1, 142892020), (2, 71446010), (4, 35723005), (5, 28578404), (10, 14289202), (20, 7144601), (31, 4609420), (62, 2304710), (124, 1152355), (155, 921884), (310, 460942), (620, 230471)]