86879020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2357}}^1$

素因数の和:2482

約数の個数: 48

約数和(自身を含む): 194110560

約数和(自身を除く): 107231540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 2357, 3686, 4714, 7372, 9215, 9428, 11785, 18430, 23570, 36860, 44783, 47140, 89566, 179132, 223915, 228629, 447830, 457258, 895660, 914516, 1143145, 2286290, 4343951, 4572580, 8687902, 17375804, 21719755, 43439510, 86879020]

約数ペア:

[(1, 86879020), (2, 43439510), (4, 21719755), (5, 17375804), (10, 8687902), (19, 4572580), (20, 4343951), (38, 2286290), (76, 1143145), (95, 914516), (97, 895660), (190, 457258), (194, 447830), (380, 228629), (388, 223915), (485, 179132), (970, 89566), (1843, 47140), (1940, 44783), (2357, 36860), (3686, 23570), (4714, 18430), (7372, 11785), (9215, 9428)]