29136980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^2$

素因数の和:185

約数の個数: 54

約数和(自身を含む): 65927022

約数和(自身を除く): 36790042

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 289, 340, 355, 578, 710, 1156, 1207, 1420, 1445, 2414, 2890, 4828, 5041, 5780, 6035, 10082, 12070, 20164, 20519, 24140, 25205, 41038, 50410, 82076, 85697, 100820, 102595, 171394, 205190, 342788, 410380, 428485, 856970, 1456849, 1713940, 2913698, 5827396, 7284245, 14568490, 29136980]

約数ペア:

[(1, 29136980), (2, 14568490), (4, 7284245), (5, 5827396), (10, 2913698), (17, 1713940), (20, 1456849), (34, 856970), (68, 428485), (71, 410380), (85, 342788), (142, 205190), (170, 171394), (284, 102595), (289, 100820), (340, 85697), (355, 82076), (578, 50410), (710, 41038), (1156, 25205), (1207, 24140), (1420, 20519), (1445, 20164), (2414, 12070), (2890, 10082), (4828, 6035), (5041, 5780)]