718826920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{38317}}^1$

素因数の和:38402

約数の個数: 64

約数和(自身を含む): 1876049280

約数和(自身を除く): 1157222360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4690, 9380, 18760, 38317, 76634, 153268, 191585, 268219, 306536, 383170, 536438, 766340, 1072876, 1341095, 1532680, 2145752, 2567239, 2682190, 5134478, 5364380, 10268956, 10728760, 12836195, 17970673, 20537912, 25672390, 35941346, 51344780, 71882692, 89853365, 102689560, 143765384, 179706730, 359413460, 718826920]

約数ペア:

[(1, 718826920), (2, 359413460), (4, 179706730), (5, 143765384), (7, 102689560), (8, 89853365), (10, 71882692), (14, 51344780), (20, 35941346), (28, 25672390), (35, 20537912), (40, 17970673), (56, 12836195), (67, 10728760), (70, 10268956), (134, 5364380), (140, 5134478), (268, 2682190), (280, 2567239), (335, 2145752), (469, 1532680), (536, 1341095), (670, 1072876), (938, 766340), (1340, 536438), (1876, 383170), (2345, 306536), (2680, 268219), (3752, 191585), (4690, 153268), (9380, 76634), (18760, 38317)]