208150700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 482469120

約数和(自身を除く): 274318420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 710, 950, 1349, 1420, 1543, 1775, 1900, 2698, 3086, 3550, 5396, 6172, 6745, 7100, 7715, 13490, 15430, 26980, 29317, 30860, 33725, 38575, 58634, 67450, 77150, 109553, 117268, 134900, 146585, 154300, 219106, 293170, 438212, 547765, 586340, 732925, 1095530, 1465850, 2081507, 2191060, 2738825, 2931700, 4163014, 5477650, 8326028, 10407535, 10955300, 20815070, 41630140, 52037675, 104075350, 208150700]

約数ペア:

[(1, 208150700), (2, 104075350), (4, 52037675), (5, 41630140), (10, 20815070), (19, 10955300), (20, 10407535), (25, 8326028), (38, 5477650), (50, 4163014), (71, 2931700), (76, 2738825), (95, 2191060), (100, 2081507), (142, 1465850), (190, 1095530), (284, 732925), (355, 586340), (380, 547765), (475, 438212), (710, 293170), (950, 219106), (1349, 154300), (1420, 146585), (1543, 134900), (1775, 117268), (1900, 109553), (2698, 77150), (3086, 67450), (3550, 58634), (5396, 38575), (6172, 33725), (6745, 30860), (7100, 29317), (7715, 26980), (13490, 15430)]