18802280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 50417640

約数和(自身を除く): 31615360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 181, 196, 212, 245, 265, 280, 362, 371, 392, 424, 490, 530, 724, 742, 905, 980, 1060, 1267, 1448, 1484, 1810, 1855, 1960, 2120, 2534, 2597, 2968, 3620, 3710, 5068, 5194, 6335, 7240, 7420, 8869, 9593, 10136, 10388, 12670, 12985, 14840, 17738, 19186, 20776, 25340, 25970, 35476, 38372, 44345, 47965, 50680, 51940, 67151, 70952, 76744, 88690, 95930, 103880, 134302, 177380, 191860, 268604, 335755, 354760, 383720, 470057, 537208, 671510, 940114, 1343020, 1880228, 2350285, 2686040, 3760456, 4700570, 9401140, 18802280]

約数ペア:

[(1, 18802280), (2, 9401140), (4, 4700570), (5, 3760456), (7, 2686040), (8, 2350285), (10, 1880228), (14, 1343020), (20, 940114), (28, 671510), (35, 537208), (40, 470057), (49, 383720), (53, 354760), (56, 335755), (70, 268604), (98, 191860), (106, 177380), (140, 134302), (181, 103880), (196, 95930), (212, 88690), (245, 76744), (265, 70952), (280, 67151), (362, 51940), (371, 50680), (392, 47965), (424, 44345), (490, 38372), (530, 35476), (724, 25970), (742, 25340), (905, 20776), (980, 19186), (1060, 17738), (1267, 14840), (1448, 12985), (1484, 12670), (1810, 10388), (1855, 10136), (1960, 9593), (2120, 8869), (2534, 7420), (2597, 7240), (2968, 6335), (3620, 5194), (3710, 5068)]