4642460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 10305288

約数和(自身を除く): 5662828

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 643, 722, 1286, 1444, 1805, 2572, 3215, 3610, 6430, 7220, 12217, 12860, 24434, 48868, 61085, 122170, 232123, 244340, 464246, 928492, 1160615, 2321230, 4642460]

約数ペア:

[(1, 4642460), (2, 2321230), (4, 1160615), (5, 928492), (10, 464246), (19, 244340), (20, 232123), (38, 122170), (76, 61085), (95, 48868), (190, 24434), (361, 12860), (380, 12217), (643, 7220), (722, 6430), (1286, 3610), (1444, 3215), (1805, 2572)]