38264690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 70642800

約数和(自身を除く): 32378110

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 421, 610, 745, 842, 1490, 2105, 4210, 9089, 18178, 25681, 45445, 51362, 62729, 90890, 125458, 128405, 256810, 313645, 627290, 3826469, 7652938, 19132345, 38264690]

約数ペア:

[(1, 38264690), (2, 19132345), (5, 7652938), (10, 3826469), (61, 627290), (122, 313645), (149, 256810), (298, 128405), (305, 125458), (421, 90890), (610, 62729), (745, 51362), (842, 45445), (1490, 25681), (2105, 18178), (4210, 9089)]