2745860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3604540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 179, 236, 260, 295, 358, 590, 716, 767, 895, 1180, 1534, 1790, 2327, 3068, 3580, 3835, 4654, 7670, 9308, 10561, 11635, 15340, 21122, 23270, 42244, 46540, 52805, 105610, 137293, 211220, 274586, 549172, 686465, 1372930, 2745860]

約数ペア:

[(1, 2745860), (2, 1372930), (4, 686465), (5, 549172), (10, 274586), (13, 211220), (20, 137293), (26, 105610), (52, 52805), (59, 46540), (65, 42244), (118, 23270), (130, 21122), (179, 15340), (236, 11635), (260, 10561), (295, 9308), (358, 7670), (590, 4654), (716, 3835), (767, 3580), (895, 3068), (1180, 2327), (1534, 1790)]