390280480

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{51899}}^1$

素因数の和:51961

約数の個数: 48

約数和(自身を含む): 941673600

約数和(自身を除く): 551393120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 51899, 103798, 207596, 259495, 415192, 518990, 830384, 1037980, 1660768, 2075960, 2439253, 4151920, 4878506, 8303840, 9757012, 12196265, 19514024, 24392530, 39028048, 48785060, 78056096, 97570120, 195140240, 390280480]

約数ペア:

[(1, 390280480), (2, 195140240), (4, 97570120), (5, 78056096), (8, 48785060), (10, 39028048), (16, 24392530), (20, 19514024), (32, 12196265), (40, 9757012), (47, 8303840), (80, 4878506), (94, 4151920), (160, 2439253), (188, 2075960), (235, 1660768), (376, 1037980), (470, 830384), (752, 518990), (940, 415192), (1504, 259495), (1880, 207596), (3760, 103798), (7520, 51899)]