68431460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4909}}^1$

素因数の和:4976

約数の個数: 48

約数和(自身を含む): 155902320

約数和(自身を除く): 87470860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 4909, 6970, 9818, 13940, 19636, 24545, 49090, 83453, 98180, 166906, 201269, 333812, 402538, 417265, 805076, 834530, 1006345, 1669060, 2012690, 3421573, 4025380, 6843146, 13686292, 17107865, 34215730, 68431460]

約数ペア:

[(1, 68431460), (2, 34215730), (4, 17107865), (5, 13686292), (10, 6843146), (17, 4025380), (20, 3421573), (34, 2012690), (41, 1669060), (68, 1006345), (82, 834530), (85, 805076), (164, 417265), (170, 402538), (205, 333812), (340, 201269), (410, 166906), (697, 98180), (820, 83453), (1394, 49090), (2788, 24545), (3485, 19636), (4909, 13940), (6970, 9818)]