2113540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 5221440

約数和(自身を除く): 3107900

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 739, 1430, 1478, 2860, 2956, 3695, 7390, 8129, 9607, 14780, 16258, 19214, 32516, 38428, 40645, 48035, 81290, 96070, 105677, 162580, 192140, 211354, 422708, 528385, 1056770, 2113540]

約数ペア:

[(1, 2113540), (2, 1056770), (4, 528385), (5, 422708), (10, 211354), (11, 192140), (13, 162580), (20, 105677), (22, 96070), (26, 81290), (44, 48035), (52, 40645), (55, 38428), (65, 32516), (110, 19214), (130, 16258), (143, 14780), (220, 9607), (260, 8129), (286, 7390), (572, 3695), (715, 2956), (739, 2860), (1430, 1478)]