2109100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 5499648

約数和(自身を除く): 3390548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 131, 140, 161, 175, 230, 262, 322, 350, 460, 524, 575, 644, 655, 700, 805, 917, 1150, 1310, 1610, 1834, 2300, 2620, 3013, 3220, 3275, 3668, 4025, 4585, 6026, 6550, 8050, 9170, 12052, 13100, 15065, 16100, 18340, 21091, 22925, 30130, 42182, 45850, 60260, 75325, 84364, 91700, 105455, 150650, 210910, 301300, 421820, 527275, 1054550, 2109100]

約数ペア:

[(1, 2109100), (2, 1054550), (4, 527275), (5, 421820), (7, 301300), (10, 210910), (14, 150650), (20, 105455), (23, 91700), (25, 84364), (28, 75325), (35, 60260), (46, 45850), (50, 42182), (70, 30130), (92, 22925), (100, 21091), (115, 18340), (131, 16100), (140, 15065), (161, 13100), (175, 12052), (230, 9170), (262, 8050), (322, 6550), (350, 6026), (460, 4585), (524, 4025), (575, 3668), (644, 3275), (655, 3220), (700, 3013), (805, 2620), (917, 2300), (1150, 1834), (1310, 1610)]