628290420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{615971}}^1$

素因数の和:616000

約数の個数: 48

約数和(自身を含む): 1862699328

約数和(自身を除く): 1234408908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 615971, 1231942, 1847913, 2463884, 3079855, 3695826, 6159710, 7391652, 9239565, 10471507, 12319420, 18479130, 20943014, 31414521, 36958260, 41886028, 52357535, 62829042, 104715070, 125658084, 157072605, 209430140, 314145210, 628290420]

約数ペア:

[(1, 628290420), (2, 314145210), (3, 209430140), (4, 157072605), (5, 125658084), (6, 104715070), (10, 62829042), (12, 52357535), (15, 41886028), (17, 36958260), (20, 31414521), (30, 20943014), (34, 18479130), (51, 12319420), (60, 10471507), (68, 9239565), (85, 7391652), (102, 6159710), (170, 3695826), (204, 3079855), (255, 2463884), (340, 1847913), (510, 1231942), (1020, 615971)]