205945650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{26921}}^1$

素因数の和:26956

約数の個数: 72

約数和(自身を含む): 585876564

約数和(自身を除く): 379930914

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 3825, 7650, 26921, 53842, 80763, 134605, 161526, 242289, 269210, 403815, 457657, 484578, 673025, 807630, 915314, 1211445, 1346050, 1372971, 2019075, 2288285, 2422890, 2745942, 4038150, 4118913, 4576570, 6057225, 6864855, 8237826, 11441425, 12114450, 13729710, 20594565, 22882850, 34324275, 41189130, 68648550, 102972825, 205945650]

約数ペア:

[(1, 205945650), (2, 102972825), (3, 68648550), (5, 41189130), (6, 34324275), (9, 22882850), (10, 20594565), (15, 13729710), (17, 12114450), (18, 11441425), (25, 8237826), (30, 6864855), (34, 6057225), (45, 4576570), (50, 4118913), (51, 4038150), (75, 2745942), (85, 2422890), (90, 2288285), (102, 2019075), (150, 1372971), (153, 1346050), (170, 1211445), (225, 915314), (255, 807630), (306, 673025), (425, 484578), (450, 457657), (510, 403815), (765, 269210), (850, 242289), (1275, 161526), (1530, 134605), (2550, 80763), (3825, 53842), (7650, 26921)]