306901780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{2659}}^1$

素因数の和:2896

約数の個数: 48

約数和(自身を含む): 670320000

約数和(自身を除く): 363418220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 796, 995, 1990, 2659, 3980, 5318, 5771, 10636, 11542, 13295, 23084, 26590, 28855, 53180, 57710, 77111, 115420, 154222, 308444, 385555, 529141, 771110, 1058282, 1542220, 2116564, 2645705, 5291410, 10582820, 15345089, 30690178, 61380356, 76725445, 153450890, 306901780]

約数ペア:

[(1, 306901780), (2, 153450890), (4, 76725445), (5, 61380356), (10, 30690178), (20, 15345089), (29, 10582820), (58, 5291410), (116, 2645705), (145, 2116564), (199, 1542220), (290, 1058282), (398, 771110), (580, 529141), (796, 385555), (995, 308444), (1990, 154222), (2659, 115420), (3980, 77111), (5318, 57710), (5771, 53180), (10636, 28855), (11542, 26590), (13295, 23084)]