189961980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1283

約数の個数: 96

約数和(自身を含む): 575769600

約数和(自身を除く): 385807620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 239, 260, 390, 478, 717, 780, 956, 1019, 1195, 1434, 2038, 2390, 2868, 3057, 3107, 3585, 4076, 4780, 5095, 6114, 6214, 7170, 9321, 10190, 12228, 12428, 13247, 14340, 15285, 15535, 18642, 20380, 26494, 30570, 31070, 37284, 39741, 46605, 52988, 61140, 62140, 66235, 79482, 93210, 132470, 158964, 186420, 198705, 243541, 264940, 397410, 487082, 730623, 794820, 974164, 1217705, 1461246, 2435410, 2922492, 3166033, 3653115, 4870820, 6332066, 7306230, 9498099, 12664132, 14612460, 15830165, 18996198, 31660330, 37992396, 47490495, 63320660, 94980990, 189961980]

約数ペア:

[(1, 189961980), (2, 94980990), (3, 63320660), (4, 47490495), (5, 37992396), (6, 31660330), (10, 18996198), (12, 15830165), (13, 14612460), (15, 12664132), (20, 9498099), (26, 7306230), (30, 6332066), (39, 4870820), (52, 3653115), (60, 3166033), (65, 2922492), (78, 2435410), (130, 1461246), (156, 1217705), (195, 974164), (239, 794820), (260, 730623), (390, 487082), (478, 397410), (717, 264940), (780, 243541), (956, 198705), (1019, 186420), (1195, 158964), (1434, 132470), (2038, 93210), (2390, 79482), (2868, 66235), (3057, 62140), (3107, 61140), (3585, 52988), (4076, 46605), (4780, 39741), (5095, 37284), (6114, 31070), (6214, 30570), (7170, 26494), (9321, 20380), (10190, 18642), (12228, 15535), (12428, 15285), (13247, 14340)]