7480340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 19391400

約数和(自身を除く): 11911060

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, 449, 476, 490, 595, 833, 898, 980, 1190, 1666, 1796, 2245, 2380, 3143, 3332, 4165, 4490, 6286, 7633, 8330, 8980, 12572, 15266, 15715, 16660, 22001, 30532, 31430, 38165, 44002, 53431, 62860, 76330, 88004, 106862, 110005, 152660, 213724, 220010, 267155, 374017, 440020, 534310, 748034, 1068620, 1496068, 1870085, 3740170, 7480340]

約数ペア:

[(1, 7480340), (2, 3740170), (4, 1870085), (5, 1496068), (7, 1068620), (10, 748034), (14, 534310), (17, 440020), (20, 374017), (28, 267155), (34, 220010), (35, 213724), (49, 152660), (68, 110005), (70, 106862), (85, 88004), (98, 76330), (119, 62860), (140, 53431), (170, 44002), (196, 38165), (238, 31430), (245, 30532), (340, 22001), (449, 16660), (476, 15715), (490, 15266), (595, 12572), (833, 8980), (898, 8330), (980, 7633), (1190, 6286), (1666, 4490), (1796, 4165), (2245, 3332), (2380, 3143)]