213449075

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 314979840

約数和(自身を除く): 101530765

約数列:

[1, 5, 7, 25, 35, 41, 71, 175, 205, 287, 355, 419, 497, 1025, 1435, 1775, 2095, 2485, 2911, 2933, 7175, 10475, 12425, 14555, 14665, 17179, 20377, 29749, 72775, 73325, 85895, 101885, 120253, 148745, 208243, 429475, 509425, 601265, 743725, 1041215, 1219709, 3006325, 5206075, 6098545, 8537963, 30492725, 42689815, 213449075]

約数ペア:

[(1, 213449075), (5, 42689815), (7, 30492725), (25, 8537963), (35, 6098545), (41, 5206075), (71, 3006325), (175, 1219709), (205, 1041215), (287, 743725), (355, 601265), (419, 509425), (497, 429475), (1025, 208243), (1435, 148745), (1775, 120253), (2095, 101885), (2485, 85895), (2911, 73325), (2933, 72775), (7175, 29749), (10475, 20377), (12425, 17179), (14555, 14665)]