398040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 1244160

約数和(自身を除く): 846120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 107, 120, 124, 155, 186, 214, 248, 310, 321, 372, 428, 465, 535, 620, 642, 744, 856, 930, 1070, 1240, 1284, 1605, 1860, 2140, 2568, 3210, 3317, 3720, 4280, 6420, 6634, 9951, 12840, 13268, 16585, 19902, 26536, 33170, 39804, 49755, 66340, 79608, 99510, 132680, 199020, 398040]

約数ペア:

[(1, 398040), (2, 199020), (3, 132680), (4, 99510), (5, 79608), (6, 66340), (8, 49755), (10, 39804), (12, 33170), (15, 26536), (20, 19902), (24, 16585), (30, 13268), (31, 12840), (40, 9951), (60, 6634), (62, 6420), (93, 4280), (107, 3720), (120, 3317), (124, 3210), (155, 2568), (186, 2140), (214, 1860), (248, 1605), (310, 1284), (321, 1240), (372, 1070), (428, 930), (465, 856), (535, 744), (620, 642)]