390484492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 745663968

約数和(自身を除く): 355179476

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 227, 454, 617, 697, 908, 1234, 1394, 2468, 2788, 3859, 7718, 9307, 10489, 15436, 18614, 20978, 25297, 37228, 41956, 50594, 101188, 140059, 158219, 280118, 316438, 430049, 560236, 632876, 860098, 1720196, 2381003, 4762006, 5742419, 9524012, 11484838, 22969676, 97621123, 195242246, 390484492]

約数ペア:

[(1, 390484492), (2, 195242246), (4, 97621123), (17, 22969676), (34, 11484838), (41, 9524012), (68, 5742419), (82, 4762006), (164, 2381003), (227, 1720196), (454, 860098), (617, 632876), (697, 560236), (908, 430049), (1234, 316438), (1394, 280118), (2468, 158219), (2788, 140059), (3859, 101188), (7718, 50594), (9307, 41956), (10489, 37228), (15436, 25297), (18614, 20978)]