489953450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6451}}^1$

素因数の和:6508

約数の個数: 72

約数和(自身を含む): 1094465664

約数和(自身を除く): 604512214

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 175, 217, 245, 310, 350, 434, 490, 775, 1085, 1225, 1519, 1550, 2170, 2450, 3038, 5425, 6451, 7595, 10850, 12902, 15190, 32255, 37975, 45157, 64510, 75950, 90314, 161275, 199981, 225785, 316099, 322550, 399962, 451570, 632198, 999905, 1128925, 1399867, 1580495, 1999810, 2257850, 2799734, 3160990, 4999525, 6999335, 7902475, 9799069, 9999050, 13998670, 15804950, 19598138, 34996675, 48995345, 69993350, 97990690, 244976725, 489953450]

約数ペア:

[(1, 489953450), (2, 244976725), (5, 97990690), (7, 69993350), (10, 48995345), (14, 34996675), (25, 19598138), (31, 15804950), (35, 13998670), (49, 9999050), (50, 9799069), (62, 7902475), (70, 6999335), (98, 4999525), (155, 3160990), (175, 2799734), (217, 2257850), (245, 1999810), (310, 1580495), (350, 1399867), (434, 1128925), (490, 999905), (775, 632198), (1085, 451570), (1225, 399962), (1519, 322550), (1550, 316099), (2170, 225785), (2450, 199981), (3038, 161275), (5425, 90314), (6451, 75950), (7595, 64510), (10850, 45157), (12902, 37975), (15190, 32255)]