2951240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 6723000

約数和(自身を除く): 3771760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 829, 890, 1658, 1780, 3316, 3560, 4145, 6632, 8290, 16580, 33160, 73781, 147562, 295124, 368905, 590248, 737810, 1475620, 2951240]

約数ペア:

[(1, 2951240), (2, 1475620), (4, 737810), (5, 590248), (8, 368905), (10, 295124), (20, 147562), (40, 73781), (89, 33160), (178, 16580), (356, 8290), (445, 6632), (712, 4145), (829, 3560), (890, 3316), (1658, 1780)]