425320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1$

素因数の和:63

約数の個数: 64

約数和(自身を含む): 1152000

約数和(自身を除く): 726680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 343, 392, 434, 490, 620, 686, 868, 980, 1085, 1240, 1372, 1519, 1715, 1736, 1960, 2170, 2744, 3038, 3430, 4340, 6076, 6860, 7595, 8680, 10633, 12152, 13720, 15190, 21266, 30380, 42532, 53165, 60760, 85064, 106330, 212660, 425320]

約数ペア:

[(1, 425320), (2, 212660), (4, 106330), (5, 85064), (7, 60760), (8, 53165), (10, 42532), (14, 30380), (20, 21266), (28, 15190), (31, 13720), (35, 12152), (40, 10633), (49, 8680), (56, 7595), (62, 6860), (70, 6076), (98, 4340), (124, 3430), (140, 3038), (155, 2744), (196, 2170), (217, 1960), (245, 1736), (248, 1715), (280, 1519), (310, 1372), (343, 1240), (392, 1085), (434, 980), (490, 868), (620, 686)]