7857460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 18176256

約数和(自身を除く): 10318796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 643, 940, 1222, 1286, 2444, 2572, 3055, 3215, 6110, 6430, 8359, 12220, 12860, 16718, 30221, 33436, 41795, 60442, 83590, 120884, 151105, 167180, 302210, 392873, 604420, 785746, 1571492, 1964365, 3928730, 7857460]

約数ペア:

[(1, 7857460), (2, 3928730), (4, 1964365), (5, 1571492), (10, 785746), (13, 604420), (20, 392873), (26, 302210), (47, 167180), (52, 151105), (65, 120884), (94, 83590), (130, 60442), (188, 41795), (235, 33436), (260, 30221), (470, 16718), (611, 12860), (643, 12220), (940, 8359), (1222, 6430), (1286, 6110), (2444, 3215), (2572, 3055)]