7647880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 18792000

約数和(自身を除く): 11144120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 347, 380, 551, 580, 694, 760, 1102, 1160, 1388, 1735, 2204, 2755, 2776, 3470, 4408, 5510, 6593, 6940, 10063, 11020, 13186, 13880, 20126, 22040, 26372, 32965, 40252, 50315, 52744, 65930, 80504, 100630, 131860, 191197, 201260, 263720, 382394, 402520, 764788, 955985, 1529576, 1911970, 3823940, 7647880]

約数ペア:

[(1, 7647880), (2, 3823940), (4, 1911970), (5, 1529576), (8, 955985), (10, 764788), (19, 402520), (20, 382394), (29, 263720), (38, 201260), (40, 191197), (58, 131860), (76, 100630), (95, 80504), (116, 65930), (145, 52744), (152, 50315), (190, 40252), (232, 32965), (290, 26372), (347, 22040), (380, 20126), (551, 13880), (580, 13186), (694, 11020), (760, 10063), (1102, 6940), (1160, 6593), (1388, 5510), (1735, 4408), (2204, 3470), (2755, 2776)]