28760475

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 21236325

約数列:

[1, 3, 5, 15, 25, 41, 47, 75, 123, 141, 199, 205, 235, 597, 615, 705, 995, 1025, 1175, 1927, 2985, 3075, 3525, 4975, 5781, 8159, 9353, 9635, 14925, 24477, 28059, 28905, 40795, 46765, 48175, 122385, 140295, 144525, 203975, 233825, 383473, 611925, 701475, 1150419, 1917365, 5752095, 9586825, 28760475]

約数ペア:

[(1, 28760475), (3, 9586825), (5, 5752095), (15, 1917365), (25, 1150419), (41, 701475), (47, 611925), (75, 383473), (123, 233825), (141, 203975), (199, 144525), (205, 140295), (235, 122385), (597, 48175), (615, 46765), (705, 40795), (995, 28905), (1025, 28059), (1175, 24477), (1927, 14925), (2985, 9635), (3075, 9353), (3525, 8159), (4975, 5781)]