2162138900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{8243}}^1$

素因数の和:8361

約数の個数: 72

約数和(自身を含む): 4880250144

約数和(自身を除く): 2718111244

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 61, 86, 100, 122, 172, 215, 244, 305, 430, 610, 860, 1075, 1220, 1525, 2150, 2623, 3050, 4300, 5246, 6100, 8243, 10492, 13115, 16486, 26230, 32972, 41215, 52460, 65575, 82430, 131150, 164860, 206075, 262300, 354449, 412150, 502823, 708898, 824300, 1005646, 1417796, 1772245, 2011292, 2514115, 3544490, 5028230, 7088980, 8861225, 10056460, 12570575, 17722450, 21621389, 25141150, 35444900, 43242778, 50282300, 86485556, 108106945, 216213890, 432427780, 540534725, 1081069450, 2162138900]

約数ペア:

[(1, 2162138900), (2, 1081069450), (4, 540534725), (5, 432427780), (10, 216213890), (20, 108106945), (25, 86485556), (43, 50282300), (50, 43242778), (61, 35444900), (86, 25141150), (100, 21621389), (122, 17722450), (172, 12570575), (215, 10056460), (244, 8861225), (305, 7088980), (430, 5028230), (610, 3544490), (860, 2514115), (1075, 2011292), (1220, 1772245), (1525, 1417796), (2150, 1005646), (2623, 824300), (3050, 708898), (4300, 502823), (5246, 412150), (6100, 354449), (8243, 262300), (10492, 206075), (13115, 164860), (16486, 131150), (26230, 82430), (32972, 65575), (41215, 52460)]