128265340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7699}}^1$

素因数の和:7739

約数の個数: 72

約数和(自身を含む): 331808400

約数和(自身を除く): 203543060

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 7699, 8330, 15398, 16660, 30796, 38495, 53893, 76990, 107786, 130883, 153980, 215572, 261766, 269465, 377251, 523532, 538930, 654415, 754502, 916181, 1077860, 1308830, 1509004, 1832362, 1886255, 2617660, 3664724, 3772510, 4580905, 6413267, 7545020, 9161810, 12826534, 18323620, 25653068, 32066335, 64132670, 128265340]

約数ペア:

[(1, 128265340), (2, 64132670), (4, 32066335), (5, 25653068), (7, 18323620), (10, 12826534), (14, 9161810), (17, 7545020), (20, 6413267), (28, 4580905), (34, 3772510), (35, 3664724), (49, 2617660), (68, 1886255), (70, 1832362), (85, 1509004), (98, 1308830), (119, 1077860), (140, 916181), (170, 754502), (196, 654415), (238, 538930), (245, 523532), (340, 377251), (476, 269465), (490, 261766), (595, 215572), (833, 153980), (980, 130883), (1190, 107786), (1666, 76990), (2380, 53893), (3332, 38495), (4165, 30796), (7699, 16660), (8330, 15398)]