49969640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 129340800

約数和(自身を除く): 79371160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 997, 1253, 1432, 1790, 1994, 2506, 3580, 3988, 4985, 5012, 6265, 6979, 7160, 7976, 9970, 10024, 12530, 13958, 19940, 25060, 27916, 34895, 39880, 50120, 55832, 69790, 139580, 178463, 279160, 356926, 713852, 892315, 1249241, 1427704, 1784630, 2498482, 3569260, 4996964, 6246205, 7138520, 9993928, 12492410, 24984820, 49969640]

約数ペア:

[(1, 49969640), (2, 24984820), (4, 12492410), (5, 9993928), (7, 7138520), (8, 6246205), (10, 4996964), (14, 3569260), (20, 2498482), (28, 1784630), (35, 1427704), (40, 1249241), (56, 892315), (70, 713852), (140, 356926), (179, 279160), (280, 178463), (358, 139580), (716, 69790), (895, 55832), (997, 50120), (1253, 39880), (1432, 34895), (1790, 27916), (1994, 25060), (2506, 19940), (3580, 13958), (3988, 12530), (4985, 10024), (5012, 9970), (6265, 7976), (6979, 7160)]