208778940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{11261}}^1$

素因数の和:11379

約数の個数: 72

約数和(自身を含む): 639501408

約数和(自身を除く): 430722468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 11261, 18540, 22522, 33783, 45044, 56305, 67566, 101349, 112610, 135132, 168915, 202698, 225220, 337830, 405396, 506745, 675660, 1013490, 1159883, 2026980, 2319766, 3479649, 4639532, 5799415, 6959298, 10438947, 11598830, 13918596, 17398245, 20877894, 23197660, 34796490, 41755788, 52194735, 69592980, 104389470, 208778940]

約数ペア:

[(1, 208778940), (2, 104389470), (3, 69592980), (4, 52194735), (5, 41755788), (6, 34796490), (9, 23197660), (10, 20877894), (12, 17398245), (15, 13918596), (18, 11598830), (20, 10438947), (30, 6959298), (36, 5799415), (45, 4639532), (60, 3479649), (90, 2319766), (103, 2026980), (180, 1159883), (206, 1013490), (309, 675660), (412, 506745), (515, 405396), (618, 337830), (927, 225220), (1030, 202698), (1236, 168915), (1545, 135132), (1854, 112610), (2060, 101349), (3090, 67566), (3708, 56305), (4635, 45044), (6180, 33783), (9270, 22522), (11261, 18540)]