1990565700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{390307}}^1$

素因数の和:390341

約数の個数: 72

約数和(自身を含む): 6098172192

約数和(自身を除く): 4107606492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 390307, 780614, 1170921, 1561228, 1951535, 2341842, 3903070, 4683684, 5854605, 6635219, 7806140, 9757675, 11709210, 13270438, 19515350, 19905657, 23418420, 26540876, 29273025, 33176095, 39030700, 39811314, 58546050, 66352190, 79622628, 99528285, 117092100, 132704380, 165880475, 199056570, 331760950, 398113140, 497641425, 663521900, 995282850, 1990565700]

約数ペア:

[(1, 1990565700), (2, 995282850), (3, 663521900), (4, 497641425), (5, 398113140), (6, 331760950), (10, 199056570), (12, 165880475), (15, 132704380), (17, 117092100), (20, 99528285), (25, 79622628), (30, 66352190), (34, 58546050), (50, 39811314), (51, 39030700), (60, 33176095), (68, 29273025), (75, 26540876), (85, 23418420), (100, 19905657), (102, 19515350), (150, 13270438), (170, 11709210), (204, 9757675), (255, 7806140), (300, 6635219), (340, 5854605), (425, 4683684), (510, 3903070), (850, 2341842), (1020, 1951535), (1275, 1561228), (1700, 1170921), (2550, 780614), (5100, 390307)]