149540890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{245149}}^1$

素因数の和:245217

約数の個数: 16

約数和(自身を含む): 273587400

約数和(自身を除く): 124046510

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 245149, 490298, 1225745, 2451490, 14954089, 29908178, 74770445, 149540890]

約数ペア:

[(1, 149540890), (2, 74770445), (5, 29908178), (10, 14954089), (61, 2451490), (122, 1225745), (305, 490298), (610, 245149)]