220167972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 588005600

約数和(自身を除く): 367837628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 409, 684, 787, 818, 1227, 1574, 1636, 2361, 2454, 3148, 3681, 4722, 4908, 7083, 7362, 7771, 9444, 14166, 14724, 14953, 15542, 23313, 28332, 29906, 31084, 44859, 46626, 59812, 69939, 89718, 93252, 134577, 139878, 179436, 269154, 279756, 321883, 538308, 643766, 965649, 1287532, 1931298, 2896947, 3862596, 5793894, 6115777, 11587788, 12231554, 18347331, 24463108, 36694662, 55041993, 73389324, 110083986, 220167972]

約数ペア:

[(1, 220167972), (2, 110083986), (3, 73389324), (4, 55041993), (6, 36694662), (9, 24463108), (12, 18347331), (18, 12231554), (19, 11587788), (36, 6115777), (38, 5793894), (57, 3862596), (76, 2896947), (114, 1931298), (171, 1287532), (228, 965649), (342, 643766), (409, 538308), (684, 321883), (787, 279756), (818, 269154), (1227, 179436), (1574, 139878), (1636, 134577), (2361, 93252), (2454, 89718), (3148, 69939), (3681, 59812), (4722, 46626), (4908, 44859), (7083, 31084), (7362, 29906), (7771, 28332), (9444, 23313), (14166, 15542), (14724, 14953)]