747220040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{156979}}^1$

素因数の和:157014

約数の個数: 64

約数和(自身を含む): 2034460800

約数和(自身を除く): 1287240760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 156979, 313958, 627916, 784895, 1098853, 1255832, 1569790, 2197706, 2668643, 3139580, 4395412, 5337286, 5494265, 6279160, 8790824, 10674572, 10988530, 13343215, 18680501, 21349144, 21977060, 26686430, 37361002, 43954120, 53372860, 74722004, 93402505, 106745720, 149444008, 186805010, 373610020, 747220040]

約数ペア:

[(1, 747220040), (2, 373610020), (4, 186805010), (5, 149444008), (7, 106745720), (8, 93402505), (10, 74722004), (14, 53372860), (17, 43954120), (20, 37361002), (28, 26686430), (34, 21977060), (35, 21349144), (40, 18680501), (56, 13343215), (68, 10988530), (70, 10674572), (85, 8790824), (119, 6279160), (136, 5494265), (140, 5337286), (170, 4395412), (238, 3139580), (280, 2668643), (340, 2197706), (476, 1569790), (595, 1255832), (680, 1098853), (952, 784895), (1190, 627916), (2380, 313958), (4760, 156979)]