1561700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 4083072

約数和(自身を除く): 2521372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 97, 100, 115, 140, 161, 175, 194, 230, 322, 350, 388, 460, 485, 575, 644, 679, 700, 805, 970, 1150, 1358, 1610, 1940, 2231, 2300, 2425, 2716, 3220, 3395, 4025, 4462, 4850, 6790, 8050, 8924, 9700, 11155, 13580, 15617, 16100, 16975, 22310, 31234, 33950, 44620, 55775, 62468, 67900, 78085, 111550, 156170, 223100, 312340, 390425, 780850, 1561700]

約数ペア:

[(1, 1561700), (2, 780850), (4, 390425), (5, 312340), (7, 223100), (10, 156170), (14, 111550), (20, 78085), (23, 67900), (25, 62468), (28, 55775), (35, 44620), (46, 33950), (50, 31234), (70, 22310), (92, 16975), (97, 16100), (100, 15617), (115, 13580), (140, 11155), (161, 9700), (175, 8924), (194, 8050), (230, 6790), (322, 4850), (350, 4462), (388, 4025), (460, 3395), (485, 3220), (575, 2716), (644, 2425), (679, 2300), (700, 2231), (805, 1940), (970, 1610), (1150, 1358)]