205505010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7901}}^1$

素因数の和:7948

約数の個数: 72

約数和(自身を含む): 567663876

約数和(自身を除く): 362158866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 765, 867, 1445, 1530, 1734, 2601, 2890, 4335, 5202, 7901, 8670, 13005, 15802, 23703, 26010, 39505, 47406, 71109, 79010, 118515, 134317, 142218, 237030, 268634, 355545, 402951, 671585, 711090, 805902, 1208853, 1343170, 2014755, 2283389, 2417706, 4029510, 4566778, 6044265, 6850167, 11416945, 12088530, 13700334, 20550501, 22833890, 34250835, 41101002, 68501670, 102752505, 205505010]

約数ペア:

[(1, 205505010), (2, 102752505), (3, 68501670), (5, 41101002), (6, 34250835), (9, 22833890), (10, 20550501), (15, 13700334), (17, 12088530), (18, 11416945), (30, 6850167), (34, 6044265), (45, 4566778), (51, 4029510), (85, 2417706), (90, 2283389), (102, 2014755), (153, 1343170), (170, 1208853), (255, 805902), (289, 711090), (306, 671585), (510, 402951), (578, 355545), (765, 268634), (867, 237030), (1445, 142218), (1530, 134317), (1734, 118515), (2601, 79010), (2890, 71109), (4335, 47406), (5202, 39505), (7901, 26010), (8670, 23703), (13005, 15802)]