12028900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 29650880

約数和(自身を除く): 17621980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 487, 494, 650, 950, 974, 988, 1235, 1300, 1900, 1948, 2435, 2470, 4870, 4940, 6175, 6331, 9253, 9740, 12175, 12350, 12662, 18506, 24350, 24700, 25324, 31655, 37012, 46265, 48700, 63310, 92530, 120289, 126620, 158275, 185060, 231325, 240578, 316550, 462650, 481156, 601445, 633100, 925300, 1202890, 2405780, 3007225, 6014450, 12028900]

約数ペア:

[(1, 12028900), (2, 6014450), (4, 3007225), (5, 2405780), (10, 1202890), (13, 925300), (19, 633100), (20, 601445), (25, 481156), (26, 462650), (38, 316550), (50, 240578), (52, 231325), (65, 185060), (76, 158275), (95, 126620), (100, 120289), (130, 92530), (190, 63310), (247, 48700), (260, 46265), (325, 37012), (380, 31655), (475, 25324), (487, 24700), (494, 24350), (650, 18506), (950, 12662), (974, 12350), (988, 12175), (1235, 9740), (1300, 9253), (1900, 6331), (1948, 6175), (2435, 4940), (2470, 4870)]