17865100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 42966000

約数和(自身を除く): 25100900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 149, 218, 220, 275, 298, 436, 545, 550, 596, 745, 1090, 1100, 1199, 1490, 1639, 2180, 2398, 2725, 2980, 3278, 3725, 4796, 5450, 5995, 6556, 7450, 8195, 10900, 11990, 14900, 16241, 16390, 23980, 29975, 32482, 32780, 40975, 59950, 64964, 81205, 81950, 119900, 162410, 163900, 178651, 324820, 357302, 406025, 714604, 812050, 893255, 1624100, 1786510, 3573020, 4466275, 8932550, 17865100]

約数ペア:

[(1, 17865100), (2, 8932550), (4, 4466275), (5, 3573020), (10, 1786510), (11, 1624100), (20, 893255), (22, 812050), (25, 714604), (44, 406025), (50, 357302), (55, 324820), (100, 178651), (109, 163900), (110, 162410), (149, 119900), (218, 81950), (220, 81205), (275, 64964), (298, 59950), (436, 40975), (545, 32780), (550, 32482), (596, 29975), (745, 23980), (1090, 16390), (1100, 16241), (1199, 14900), (1490, 11990), (1639, 10900), (2180, 8195), (2398, 7450), (2725, 6556), (2980, 5995), (3278, 5450), (3725, 4796)]