7691960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 18900000

約数和(自身を除く): 11208040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 349, 380, 551, 580, 698, 760, 1102, 1160, 1396, 1745, 2204, 2755, 2792, 3490, 4408, 5510, 6631, 6980, 10121, 11020, 13262, 13960, 20242, 22040, 26524, 33155, 40484, 50605, 53048, 66310, 80968, 101210, 132620, 192299, 202420, 265240, 384598, 404840, 769196, 961495, 1538392, 1922990, 3845980, 7691960]

約数ペア:

[(1, 7691960), (2, 3845980), (4, 1922990), (5, 1538392), (8, 961495), (10, 769196), (19, 404840), (20, 384598), (29, 265240), (38, 202420), (40, 192299), (58, 132620), (76, 101210), (95, 80968), (116, 66310), (145, 53048), (152, 50605), (190, 40484), (232, 33155), (290, 26524), (349, 22040), (380, 20242), (551, 13960), (580, 13262), (698, 11020), (760, 10121), (1102, 6980), (1160, 6631), (1396, 5510), (1745, 4408), (2204, 3490), (2755, 2792)]