86920900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2605

約数の個数: 72

約数和(自身を含む): 212486400

約数和(自身を除く): 125565500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 2549, 3100, 3410, 5098, 6820, 8525, 10196, 12745, 17050, 25490, 28039, 34100, 50980, 56078, 63725, 79019, 112156, 127450, 140195, 158038, 254900, 280390, 316076, 395095, 560780, 700975, 790190, 869209, 1401950, 1580380, 1738418, 1975475, 2803900, 3476836, 3950950, 4346045, 7901900, 8692090, 17384180, 21730225, 43460450, 86920900]

約数ペア:

[(1, 86920900), (2, 43460450), (4, 21730225), (5, 17384180), (10, 8692090), (11, 7901900), (20, 4346045), (22, 3950950), (25, 3476836), (31, 2803900), (44, 1975475), (50, 1738418), (55, 1580380), (62, 1401950), (100, 869209), (110, 790190), (124, 700975), (155, 560780), (220, 395095), (275, 316076), (310, 280390), (341, 254900), (550, 158038), (620, 140195), (682, 127450), (775, 112156), (1100, 79019), (1364, 63725), (1550, 56078), (1705, 50980), (2549, 34100), (3100, 28039), (3410, 25490), (5098, 17050), (6820, 12745), (8525, 10196)]