388360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:110

約数の個数: 64

約数和(自身を含む): 1065600

約数和(自身を除く): 677240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 95, 133, 140, 146, 152, 190, 266, 280, 292, 365, 380, 511, 532, 584, 665, 730, 760, 1022, 1064, 1330, 1387, 1460, 2044, 2555, 2660, 2774, 2920, 4088, 5110, 5320, 5548, 6935, 9709, 10220, 11096, 13870, 19418, 20440, 27740, 38836, 48545, 55480, 77672, 97090, 194180, 388360]

約数ペア:

[(1, 388360), (2, 194180), (4, 97090), (5, 77672), (7, 55480), (8, 48545), (10, 38836), (14, 27740), (19, 20440), (20, 19418), (28, 13870), (35, 11096), (38, 10220), (40, 9709), (56, 6935), (70, 5548), (73, 5320), (76, 5110), (95, 4088), (133, 2920), (140, 2774), (146, 2660), (152, 2555), (190, 2044), (266, 1460), (280, 1387), (292, 1330), (365, 1064), (380, 1022), (511, 760), (532, 730), (584, 665)]