289882620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84761}}^1$

素因数の和:84795

約数の個数: 72

約数和(自身を含む): 925601040

約数和(自身を除く): 635718420

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, 84761, 169522, 254283, 339044, 423805, 508566, 762849, 847610, 1017132, 1271415, 1525698, 1610459, 1695220, 2542830, 3051396, 3220918, 3814245, 4831377, 5085660, 6441836, 7628490, 8052295, 9662754, 14494131, 15256980, 16104590, 19325508, 24156885, 28988262, 32209180, 48313770, 57976524, 72470655, 96627540, 144941310, 289882620]

約数ペア:

[(1, 289882620), (2, 144941310), (3, 96627540), (4, 72470655), (5, 57976524), (6, 48313770), (9, 32209180), (10, 28988262), (12, 24156885), (15, 19325508), (18, 16104590), (19, 15256980), (20, 14494131), (30, 9662754), (36, 8052295), (38, 7628490), (45, 6441836), (57, 5085660), (60, 4831377), (76, 3814245), (90, 3220918), (95, 3051396), (114, 2542830), (171, 1695220), (180, 1610459), (190, 1525698), (228, 1271415), (285, 1017132), (342, 847610), (380, 762849), (570, 508566), (684, 423805), (855, 339044), (1140, 254283), (1710, 169522), (3420, 84761)]