2210780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 5461344

約数和(自身を除く): 3250564

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, 773, 1430, 1546, 2860, 3092, 3865, 7730, 8503, 10049, 15460, 17006, 20098, 34012, 40196, 42515, 50245, 85030, 100490, 110539, 170060, 200980, 221078, 442156, 552695, 1105390, 2210780]

約数ペア:

[(1, 2210780), (2, 1105390), (4, 552695), (5, 442156), (10, 221078), (11, 200980), (13, 170060), (20, 110539), (22, 100490), (26, 85030), (44, 50245), (52, 42515), (55, 40196), (65, 34012), (110, 20098), (130, 17006), (143, 15460), (220, 10049), (260, 8503), (286, 7730), (572, 3865), (715, 3092), (773, 2860), (1430, 1546)]