201919700

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 448846272

約数和(自身を除く): 246926572

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 113, 167, 214, 226, 334, 428, 452, 535, 565, 668, 835, 1070, 1130, 1670, 2140, 2260, 2675, 2825, 3340, 4175, 5350, 5650, 8350, 10700, 11300, 12091, 16700, 17869, 18871, 24182, 35738, 37742, 48364, 60455, 71476, 75484, 89345, 94355, 120910, 178690, 188710, 241820, 302275, 357380, 377420, 446725, 471775, 604550, 893450, 943550, 1209100, 1786900, 1887100, 2019197, 4038394, 8076788, 10095985, 20191970, 40383940, 50479925, 100959850, 201919700]

約数ペア:

[(1, 201919700), (2, 100959850), (4, 50479925), (5, 40383940), (10, 20191970), (20, 10095985), (25, 8076788), (50, 4038394), (100, 2019197), (107, 1887100), (113, 1786900), (167, 1209100), (214, 943550), (226, 893450), (334, 604550), (428, 471775), (452, 446725), (535, 377420), (565, 357380), (668, 302275), (835, 241820), (1070, 188710), (1130, 178690), (1670, 120910), (2140, 94355), (2260, 89345), (2675, 75484), (2825, 71476), (3340, 60455), (4175, 48364), (5350, 37742), (5650, 35738), (8350, 24182), (10700, 18871), (11300, 17869), (12091, 16700)]