21730400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1224

約数の個数: 72

約数和(自身を含む): 55402704

約数和(自身を除く): 33672304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1150, 1181, 1840, 2300, 2362, 3680, 4600, 4724, 5905, 9200, 9448, 11810, 18400, 18896, 23620, 27163, 29525, 37792, 47240, 54326, 59050, 94480, 108652, 118100, 135815, 188960, 217304, 236200, 271630, 434608, 472400, 543260, 679075, 869216, 944800, 1086520, 1358150, 2173040, 2716300, 4346080, 5432600, 10865200, 21730400]

約数ペア:

[(1, 21730400), (2, 10865200), (4, 5432600), (5, 4346080), (8, 2716300), (10, 2173040), (16, 1358150), (20, 1086520), (23, 944800), (25, 869216), (32, 679075), (40, 543260), (46, 472400), (50, 434608), (80, 271630), (92, 236200), (100, 217304), (115, 188960), (160, 135815), (184, 118100), (200, 108652), (230, 94480), (368, 59050), (400, 54326), (460, 47240), (575, 37792), (736, 29525), (800, 27163), (920, 23620), (1150, 18896), (1181, 18400), (1840, 11810), (2300, 9448), (2362, 9200), (3680, 5905), (4600, 4724)]