140990480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 341644800

約数和(自身を除く): 200654320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 409, 496, 556, 620, 695, 818, 1112, 1240, 1390, 1636, 2045, 2224, 2480, 2780, 3272, 4090, 4309, 5560, 6544, 8180, 8618, 11120, 12679, 16360, 17236, 21545, 25358, 32720, 34472, 43090, 50716, 56851, 63395, 68944, 86180, 101432, 113702, 126790, 172360, 202864, 227404, 253580, 284255, 344720, 454808, 507160, 568510, 909616, 1014320, 1137020, 1762381, 2274040, 3524762, 4548080, 7049524, 8811905, 14099048, 17623810, 28198096, 35247620, 70495240, 140990480]

約数ペア:

[(1, 140990480), (2, 70495240), (4, 35247620), (5, 28198096), (8, 17623810), (10, 14099048), (16, 8811905), (20, 7049524), (31, 4548080), (40, 3524762), (62, 2274040), (80, 1762381), (124, 1137020), (139, 1014320), (155, 909616), (248, 568510), (278, 507160), (310, 454808), (409, 344720), (496, 284255), (556, 253580), (620, 227404), (695, 202864), (818, 172360), (1112, 126790), (1240, 113702), (1390, 101432), (1636, 86180), (2045, 68944), (2224, 63395), (2480, 56851), (2780, 50716), (3272, 43090), (4090, 34472), (4309, 32720), (5560, 25358), (6544, 21545), (8180, 17236), (8618, 16360), (11120, 12679)]