18790100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1617

約数の個数: 72

約数和(自身を含む): 49371840

約数和(自身を除く): 30581740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1579, 1700, 2380, 2975, 3158, 5950, 6316, 7895, 11053, 11900, 15790, 22106, 26843, 31580, 39475, 44212, 53686, 55265, 78950, 107372, 110530, 134215, 157900, 187901, 221060, 268430, 276325, 375802, 536860, 552650, 671075, 751604, 939505, 1105300, 1342150, 1879010, 2684300, 3758020, 4697525, 9395050, 18790100]

約数ペア:

[(1, 18790100), (2, 9395050), (4, 4697525), (5, 3758020), (7, 2684300), (10, 1879010), (14, 1342150), (17, 1105300), (20, 939505), (25, 751604), (28, 671075), (34, 552650), (35, 536860), (50, 375802), (68, 276325), (70, 268430), (85, 221060), (100, 187901), (119, 157900), (140, 134215), (170, 110530), (175, 107372), (238, 78950), (340, 55265), (350, 53686), (425, 44212), (476, 39475), (595, 31580), (700, 26843), (850, 22106), (1190, 15790), (1579, 11900), (1700, 11053), (2380, 7895), (2975, 6316), (3158, 5950)]