30481900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 71557920

約数和(自身を除く): 41076020

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 46, 50, 58, 92, 100, 115, 116, 145, 230, 290, 457, 460, 575, 580, 667, 725, 914, 1150, 1334, 1450, 1828, 2285, 2300, 2668, 2900, 3335, 4570, 6670, 9140, 10511, 11425, 13253, 13340, 16675, 21022, 22850, 26506, 33350, 42044, 45700, 52555, 53012, 66265, 66700, 105110, 132530, 210220, 262775, 265060, 304819, 331325, 525550, 609638, 662650, 1051100, 1219276, 1325300, 1524095, 3048190, 6096380, 7620475, 15240950, 30481900]

約数ペア:

[(1, 30481900), (2, 15240950), (4, 7620475), (5, 6096380), (10, 3048190), (20, 1524095), (23, 1325300), (25, 1219276), (29, 1051100), (46, 662650), (50, 609638), (58, 525550), (92, 331325), (100, 304819), (115, 265060), (116, 262775), (145, 210220), (230, 132530), (290, 105110), (457, 66700), (460, 66265), (575, 53012), (580, 52555), (667, 45700), (725, 42044), (914, 33350), (1150, 26506), (1334, 22850), (1450, 21022), (1828, 16675), (2285, 13340), (2300, 13253), (2668, 11425), (2900, 10511), (3335, 9140), (4570, 6670)]