290981340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124351}}^1$

素因数の和:124379

約数の個数: 72

約数和(自身を含む): 950546688

約数和(自身を除く): 659565348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 124351, 248702, 373053, 497404, 621755, 746106, 1119159, 1243510, 1492212, 1616563, 1865265, 2238318, 2487020, 3233126, 3730530, 4476636, 4849689, 5595795, 6466252, 7461060, 8082815, 9699378, 11191590, 14549067, 16165630, 19398756, 22383180, 24248445, 29098134, 32331260, 48496890, 58196268, 72745335, 96993780, 145490670, 290981340]

約数ペア:

[(1, 290981340), (2, 145490670), (3, 96993780), (4, 72745335), (5, 58196268), (6, 48496890), (9, 32331260), (10, 29098134), (12, 24248445), (13, 22383180), (15, 19398756), (18, 16165630), (20, 14549067), (26, 11191590), (30, 9699378), (36, 8082815), (39, 7461060), (45, 6466252), (52, 5595795), (60, 4849689), (65, 4476636), (78, 3730530), (90, 3233126), (117, 2487020), (130, 2238318), (156, 1865265), (180, 1616563), (195, 1492212), (234, 1243510), (260, 1119159), (390, 746106), (468, 621755), (585, 497404), (780, 373053), (1170, 248702), (2340, 124351)]