489103020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{388177}}^1$

素因数の和:388199

約数の個数: 72

約数和(自身を含む): 1695561504

約数和(自身を除く): 1206458484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 388177, 776354, 1164531, 1552708, 1940885, 2329062, 2717239, 3493593, 3881770, 4658124, 5434478, 5822655, 6987186, 7763540, 8151717, 10868956, 11645310, 13586195, 13974372, 16303434, 17467965, 23290620, 24455151, 27172390, 32606868, 34935930, 40758585, 48910302, 54344780, 69871860, 81517170, 97820604, 122275755, 163034340, 244551510, 489103020]

約数ペア:

[(1, 489103020), (2, 244551510), (3, 163034340), (4, 122275755), (5, 97820604), (6, 81517170), (7, 69871860), (9, 54344780), (10, 48910302), (12, 40758585), (14, 34935930), (15, 32606868), (18, 27172390), (20, 24455151), (21, 23290620), (28, 17467965), (30, 16303434), (35, 13974372), (36, 13586195), (42, 11645310), (45, 10868956), (60, 8151717), (63, 7763540), (70, 6987186), (84, 5822655), (90, 5434478), (105, 4658124), (126, 3881770), (140, 3493593), (180, 2717239), (210, 2329062), (252, 1940885), (315, 1552708), (420, 1164531), (630, 776354), (1260, 388177)]