7656740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 20176632

約数和(自身を除く): 12519892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 601, 637, 910, 980, 1202, 1274, 1820, 2404, 2548, 3005, 3185, 4207, 6010, 6370, 7813, 8414, 12020, 12740, 15626, 16828, 21035, 29449, 31252, 39065, 42070, 54691, 58898, 78130, 84140, 109382, 117796, 147245, 156260, 218764, 273455, 294490, 382837, 546910, 588980, 765674, 1093820, 1531348, 1914185, 3828370, 7656740]

約数ペア:

[(1, 7656740), (2, 3828370), (4, 1914185), (5, 1531348), (7, 1093820), (10, 765674), (13, 588980), (14, 546910), (20, 382837), (26, 294490), (28, 273455), (35, 218764), (49, 156260), (52, 147245), (65, 117796), (70, 109382), (91, 84140), (98, 78130), (130, 58898), (140, 54691), (182, 42070), (196, 39065), (245, 31252), (260, 29449), (364, 21035), (455, 16828), (490, 15626), (601, 12740), (637, 12020), (910, 8414), (980, 7813), (1202, 6370), (1274, 6010), (1820, 4207), (2404, 3185), (2548, 3005)]