289294360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 669967200

約数和(自身を除く): 380672840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 419, 421, 820, 838, 842, 1640, 1676, 1684, 2095, 2105, 3352, 3368, 4190, 4210, 8380, 8420, 16760, 16840, 17179, 17261, 34358, 34522, 68716, 69044, 85895, 86305, 137432, 138088, 171790, 172610, 176399, 343580, 345220, 352798, 687160, 690440, 705596, 881995, 1411192, 1763990, 3527980, 7055960, 7232359, 14464718, 28929436, 36161795, 57858872, 72323590, 144647180, 289294360]

約数ペア:

[(1, 289294360), (2, 144647180), (4, 72323590), (5, 57858872), (8, 36161795), (10, 28929436), (20, 14464718), (40, 7232359), (41, 7055960), (82, 3527980), (164, 1763990), (205, 1411192), (328, 881995), (410, 705596), (419, 690440), (421, 687160), (820, 352798), (838, 345220), (842, 343580), (1640, 176399), (1676, 172610), (1684, 171790), (2095, 138088), (2105, 137432), (3352, 86305), (3368, 85895), (4190, 69044), (4210, 68716), (8380, 34522), (8420, 34358), (16760, 17261), (16840, 17179)]