89771580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26249}}^1$

素因数の和:26283

約数の個数: 72

約数和(自身を含む): 286650000

約数和(自身を除く): 196878420

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, 26249, 52498, 78747, 104996, 131245, 157494, 236241, 262490, 314988, 393735, 472482, 498731, 524980, 787470, 944964, 997462, 1181205, 1496193, 1574940, 1994924, 2362410, 2493655, 2992386, 4488579, 4724820, 4987310, 5984772, 7480965, 8977158, 9974620, 14961930, 17954316, 22442895, 29923860, 44885790, 89771580]

約数ペア:

[(1, 89771580), (2, 44885790), (3, 29923860), (4, 22442895), (5, 17954316), (6, 14961930), (9, 9974620), (10, 8977158), (12, 7480965), (15, 5984772), (18, 4987310), (19, 4724820), (20, 4488579), (30, 2992386), (36, 2493655), (38, 2362410), (45, 1994924), (57, 1574940), (60, 1496193), (76, 1181205), (90, 997462), (95, 944964), (114, 787470), (171, 524980), (180, 498731), (190, 472482), (228, 393735), (285, 314988), (342, 262490), (380, 236241), (570, 157494), (684, 131245), (855, 104996), (1140, 78747), (1710, 52498), (3420, 26249)]