208458420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{204371}}^1$

素因数の和:204400

約数の個数: 48

約数和(自身を含む): 618020928

約数和(自身を除く): 409562508

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, 204371, 408742, 613113, 817484, 1021855, 1226226, 2043710, 2452452, 3065565, 3474307, 4087420, 6131130, 6948614, 10422921, 12262260, 13897228, 17371535, 20845842, 34743070, 41691684, 52114605, 69486140, 104229210, 208458420]

約数ペア:

[(1, 208458420), (2, 104229210), (3, 69486140), (4, 52114605), (5, 41691684), (6, 34743070), (10, 20845842), (12, 17371535), (15, 13897228), (17, 12262260), (20, 10422921), (30, 6948614), (34, 6131130), (51, 4087420), (60, 3474307), (68, 3065565), (85, 2452452), (102, 2043710), (170, 1226226), (204, 1021855), (255, 817484), (340, 613113), (510, 408742), (1020, 204371)]