1220408

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 2918400

約数和(自身を除く): 1697992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 37, 38, 56, 62, 74, 76, 124, 133, 148, 152, 217, 248, 259, 266, 296, 434, 518, 532, 589, 703, 868, 1036, 1064, 1147, 1178, 1406, 1736, 2072, 2294, 2356, 2812, 4123, 4588, 4712, 4921, 5624, 8029, 8246, 9176, 9842, 16058, 16492, 19684, 21793, 32116, 32984, 39368, 43586, 64232, 87172, 152551, 174344, 305102, 610204, 1220408]

約数ペア:

[(1, 1220408), (2, 610204), (4, 305102), (7, 174344), (8, 152551), (14, 87172), (19, 64232), (28, 43586), (31, 39368), (37, 32984), (38, 32116), (56, 21793), (62, 19684), (74, 16492), (76, 16058), (124, 9842), (133, 9176), (148, 8246), (152, 8029), (217, 5624), (248, 4921), (259, 4712), (266, 4588), (296, 4123), (434, 2812), (518, 2356), (532, 2294), (589, 2072), (703, 1736), (868, 1406), (1036, 1178), (1064, 1147)]