291250060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{8663}}^1$

素因数の和:8754

約数の個数: 36

約数和(自身を含む): 626979024

約数和(自身を除く): 335728964

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 3362, 6724, 8405, 8663, 16810, 17326, 33620, 34652, 43315, 86630, 173260, 355183, 710366, 1420732, 1775915, 3551830, 7103660, 14562503, 29125006, 58250012, 72812515, 145625030, 291250060]

約数ペア:

[(1, 291250060), (2, 145625030), (4, 72812515), (5, 58250012), (10, 29125006), (20, 14562503), (41, 7103660), (82, 3551830), (164, 1775915), (205, 1420732), (410, 710366), (820, 355183), (1681, 173260), (3362, 86630), (6724, 43315), (8405, 34652), (8663, 33620), (16810, 17326)]