313638820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23371}}^1$

素因数の和:23452

約数の個数: 48

約数和(自身を含む): 730328256

約数和(自身を除く): 416689436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 23371, 46742, 93484, 116855, 233710, 257081, 467420, 514162, 1028324, 1285405, 1425631, 2570810, 2851262, 5141620, 5702524, 7128155, 14256310, 15681941, 28512620, 31363882, 62727764, 78409705, 156819410, 313638820]

約数ペア:

[(1, 313638820), (2, 156819410), (4, 78409705), (5, 62727764), (10, 31363882), (11, 28512620), (20, 15681941), (22, 14256310), (44, 7128155), (55, 5702524), (61, 5141620), (110, 2851262), (122, 2570810), (220, 1425631), (244, 1285405), (305, 1028324), (610, 514162), (671, 467420), (1220, 257081), (1342, 233710), (2684, 116855), (3355, 93484), (6710, 46742), (13420, 23371)]