974832820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{120947}}^1$

素因数の和:121000

約数の個数: 48

約数和(自身を含む): 2275757568

約数和(自身を除く): 1300924748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 120947, 241894, 483788, 604735, 1209470, 1572311, 2418940, 3144622, 3749357, 6289244, 7498714, 7861555, 14997428, 15723110, 18746785, 31446220, 37493570, 48741641, 74987140, 97483282, 194966564, 243708205, 487416410, 974832820]

約数ペア:

[(1, 974832820), (2, 487416410), (4, 243708205), (5, 194966564), (10, 97483282), (13, 74987140), (20, 48741641), (26, 37493570), (31, 31446220), (52, 18746785), (62, 15723110), (65, 14997428), (124, 7861555), (130, 7498714), (155, 6289244), (260, 3749357), (310, 3144622), (403, 2418940), (620, 1572311), (806, 1209470), (1612, 604735), (2015, 483788), (4030, 241894), (8060, 120947)]