355985480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 818294400

約数和(自身を除く): 462308920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 163, 284, 326, 355, 568, 652, 710, 769, 815, 1304, 1420, 1538, 1630, 2840, 3076, 3260, 3845, 6152, 6520, 7690, 11573, 15380, 23146, 30760, 46292, 54599, 57865, 92584, 109198, 115730, 125347, 218396, 231460, 250694, 272995, 436792, 462920, 501388, 545990, 626735, 1002776, 1091980, 1253470, 2183960, 2506940, 5013880, 8899637, 17799274, 35598548, 44498185, 71197096, 88996370, 177992740, 355985480]

約数ペア:

[(1, 355985480), (2, 177992740), (4, 88996370), (5, 71197096), (8, 44498185), (10, 35598548), (20, 17799274), (40, 8899637), (71, 5013880), (142, 2506940), (163, 2183960), (284, 1253470), (326, 1091980), (355, 1002776), (568, 626735), (652, 545990), (710, 501388), (769, 462920), (815, 436792), (1304, 272995), (1420, 250694), (1538, 231460), (1630, 218396), (2840, 125347), (3076, 115730), (3260, 109198), (3845, 92584), (6152, 57865), (6520, 54599), (7690, 46292), (11573, 30760), (15380, 23146)]