73952980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 161441280

約数和(自身を除く): 87488300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 659, 724, 905, 1318, 1810, 2636, 3295, 3620, 5611, 6590, 11222, 13180, 20429, 22444, 28055, 40858, 56110, 81716, 102145, 112220, 119279, 204290, 238558, 408580, 477116, 596395, 1192790, 2385580, 3697649, 7395298, 14790596, 18488245, 36976490, 73952980]

約数ペア:

[(1, 73952980), (2, 36976490), (4, 18488245), (5, 14790596), (10, 7395298), (20, 3697649), (31, 2385580), (62, 1192790), (124, 596395), (155, 477116), (181, 408580), (310, 238558), (362, 204290), (620, 119279), (659, 112220), (724, 102145), (905, 81716), (1318, 56110), (1810, 40858), (2636, 28055), (3295, 22444), (3620, 20429), (5611, 13180), (6590, 11222)]