30688900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 75870144

約数和(自身を除く): 45181244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1213, 1265, 2300, 2426, 2530, 4852, 5060, 6065, 6325, 12130, 12650, 13343, 24260, 25300, 26686, 27899, 30325, 53372, 55798, 60650, 66715, 111596, 121300, 133430, 139495, 266860, 278990, 306889, 333575, 557980, 613778, 667150, 697475, 1227556, 1334300, 1394950, 1534445, 2789900, 3068890, 6137780, 7672225, 15344450, 30688900]

約数ペア:

[(1, 30688900), (2, 15344450), (4, 7672225), (5, 6137780), (10, 3068890), (11, 2789900), (20, 1534445), (22, 1394950), (23, 1334300), (25, 1227556), (44, 697475), (46, 667150), (50, 613778), (55, 557980), (92, 333575), (100, 306889), (110, 278990), (115, 266860), (220, 139495), (230, 133430), (253, 121300), (275, 111596), (460, 66715), (506, 60650), (550, 55798), (575, 53372), (1012, 30325), (1100, 27899), (1150, 26686), (1213, 25300), (1265, 24260), (2300, 13343), (2426, 12650), (2530, 12130), (4852, 6325), (5060, 6065)]