210009420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{631}}^1$

素因数の和:732

約数の個数: 108

約数和(自身を含む): 653221296

約数和(自身を除く): 443211876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 631, 645, 774, 860, 1262, 1290, 1548, 1849, 1893, 1935, 2524, 2580, 3155, 3698, 3786, 3870, 5547, 5679, 6310, 7396, 7572, 7740, 9245, 9465, 11094, 11358, 12620, 16641, 18490, 18930, 22188, 22716, 27133, 27735, 28395, 33282, 36980, 37860, 54266, 55470, 56790, 66564, 81399, 83205, 108532, 110940, 113580, 135665, 162798, 166410, 244197, 271330, 325596, 332820, 406995, 488394, 542660, 813990, 976788, 1166719, 1220985, 1627980, 2333438, 2441970, 3500157, 4666876, 4883940, 5833595, 7000314, 10500471, 11667190, 14000628, 17500785, 21000942, 23334380, 35001570, 42001884, 52502355, 70003140, 105004710, 210009420]

約数ペア:

[(1, 210009420), (2, 105004710), (3, 70003140), (4, 52502355), (5, 42001884), (6, 35001570), (9, 23334380), (10, 21000942), (12, 17500785), (15, 14000628), (18, 11667190), (20, 10500471), (30, 7000314), (36, 5833595), (43, 4883940), (45, 4666876), (60, 3500157), (86, 2441970), (90, 2333438), (129, 1627980), (172, 1220985), (180, 1166719), (215, 976788), (258, 813990), (387, 542660), (430, 488394), (516, 406995), (631, 332820), (645, 325596), (774, 271330), (860, 244197), (1262, 166410), (1290, 162798), (1548, 135665), (1849, 113580), (1893, 110940), (1935, 108532), (2524, 83205), (2580, 81399), (3155, 66564), (3698, 56790), (3786, 55470), (3870, 54266), (5547, 37860), (5679, 36980), (6310, 33282), (7396, 28395), (7572, 27735), (7740, 27133), (9245, 22716), (9465, 22188), (11094, 18930), (11358, 18490), (12620, 16641)]