2653820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 6138720

約数和(自身を除く): 3484900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 173, 236, 260, 295, 346, 590, 692, 767, 865, 1180, 1534, 1730, 2249, 3068, 3460, 3835, 4498, 7670, 8996, 10207, 11245, 15340, 20414, 22490, 40828, 44980, 51035, 102070, 132691, 204140, 265382, 530764, 663455, 1326910, 2653820]

約数ペア:

[(1, 2653820), (2, 1326910), (4, 663455), (5, 530764), (10, 265382), (13, 204140), (20, 132691), (26, 102070), (52, 51035), (59, 44980), (65, 40828), (118, 22490), (130, 20414), (173, 15340), (236, 11245), (260, 10207), (295, 8996), (346, 7670), (590, 4498), (692, 3835), (767, 3460), (865, 3068), (1180, 2249), (1534, 1730)]