340085484

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1181}}^1$

素因数の和:1631

約数の個数: 72

約数和(自身を含む): 907823280

約数和(自身を除く): 567737796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 421, 684, 842, 1181, 1263, 1684, 2362, 2526, 3543, 3789, 4724, 5052, 7086, 7578, 7999, 10629, 14172, 15156, 15998, 21258, 22439, 23997, 31996, 42516, 44878, 47994, 67317, 71991, 89756, 95988, 134634, 143982, 201951, 269268, 287964, 403902, 497201, 807804, 994402, 1491603, 1988804, 2983206, 4474809, 5966412, 8949618, 9446819, 17899236, 18893638, 28340457, 37787276, 56680914, 85021371, 113361828, 170042742, 340085484]

約数ペア:

[(1, 340085484), (2, 170042742), (3, 113361828), (4, 85021371), (6, 56680914), (9, 37787276), (12, 28340457), (18, 18893638), (19, 17899236), (36, 9446819), (38, 8949618), (57, 5966412), (76, 4474809), (114, 2983206), (171, 1988804), (228, 1491603), (342, 994402), (421, 807804), (684, 497201), (842, 403902), (1181, 287964), (1263, 269268), (1684, 201951), (2362, 143982), (2526, 134634), (3543, 95988), (3789, 89756), (4724, 71991), (5052, 67317), (7086, 47994), (7578, 44878), (7999, 42516), (10629, 31996), (14172, 23997), (15156, 22439), (15998, 21258)]