1330403900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4451}}^1$

素因数の和:4540

約数の個数: 108

約数和(自身を含む): 3414140856

約数和(自身を除く): 2083736956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 61, 70, 98, 100, 122, 140, 175, 196, 244, 245, 305, 350, 427, 490, 610, 700, 854, 980, 1220, 1225, 1525, 1708, 2135, 2450, 2989, 3050, 4270, 4451, 4900, 5978, 6100, 8540, 8902, 10675, 11956, 14945, 17804, 21350, 22255, 29890, 31157, 42700, 44510, 59780, 62314, 74725, 89020, 111275, 124628, 149450, 155785, 218099, 222550, 271511, 298900, 311570, 436198, 445100, 543022, 623140, 778925, 872396, 1086044, 1090495, 1357555, 1557850, 1900577, 2180990, 2715110, 3115700, 3801154, 4361980, 5430220, 5452475, 6787775, 7602308, 9502885, 10904950, 13304039, 13575550, 19005770, 21809900, 26608078, 27151100, 38011540, 47514425, 53216156, 66520195, 95028850, 133040390, 190057700, 266080780, 332600975, 665201950, 1330403900]

約数ペア:

[(1, 1330403900), (2, 665201950), (4, 332600975), (5, 266080780), (7, 190057700), (10, 133040390), (14, 95028850), (20, 66520195), (25, 53216156), (28, 47514425), (35, 38011540), (49, 27151100), (50, 26608078), (61, 21809900), (70, 19005770), (98, 13575550), (100, 13304039), (122, 10904950), (140, 9502885), (175, 7602308), (196, 6787775), (244, 5452475), (245, 5430220), (305, 4361980), (350, 3801154), (427, 3115700), (490, 2715110), (610, 2180990), (700, 1900577), (854, 1557850), (980, 1357555), (1220, 1090495), (1225, 1086044), (1525, 872396), (1708, 778925), (2135, 623140), (2450, 543022), (2989, 445100), (3050, 436198), (4270, 311570), (4451, 298900), (4900, 271511), (5978, 222550), (6100, 218099), (8540, 155785), (8902, 149450), (10675, 124628), (11956, 111275), (14945, 89020), (17804, 74725), (21350, 62314), (22255, 59780), (29890, 44510), (31157, 42700)]