28936620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8461}}^1$

素因数の和:8495

約数の個数: 72

約数和(自身を含む): 92405040

約数和(自身を除く): 63468420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8461, 16922, 25383, 33844, 42305, 50766, 76149, 84610, 101532, 126915, 152298, 160759, 169220, 253830, 304596, 321518, 380745, 482277, 507660, 643036, 761490, 803795, 964554, 1446831, 1522980, 1607590, 1929108, 2411385, 2893662, 3215180, 4822770, 5787324, 7234155, 9645540, 14468310, 28936620]

約数ペア:

[(1, 28936620), (2, 14468310), (3, 9645540), (4, 7234155), (5, 5787324), (6, 4822770), (9, 3215180), (10, 2893662), (12, 2411385), (15, 1929108), (18, 1607590), (19, 1522980), (20, 1446831), (30, 964554), (36, 803795), (38, 761490), (45, 643036), (57, 507660), (60, 482277), (76, 380745), (90, 321518), (95, 304596), (114, 253830), (171, 169220), (180, 160759), (190, 152298), (228, 126915), (285, 101532), (342, 84610), (380, 76149), (570, 50766), (684, 42305), (855, 33844), (1140, 25383), (1710, 16922), (3420, 8461)]