1290803470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{510199}}^1$

素因数の和:510240

約数の個数: 32

約数和(自身を含む): 2644876800

約数和(自身を除く): 1354073330

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 510199, 1020398, 2550995, 5101990, 5612189, 11224378, 11734577, 23469154, 28060945, 56121890, 58672885, 117345770, 129080347, 258160694, 645401735, 1290803470]

約数ペア:

[(1, 1290803470), (2, 645401735), (5, 258160694), (10, 129080347), (11, 117345770), (22, 58672885), (23, 56121890), (46, 28060945), (55, 23469154), (110, 11734577), (115, 11224378), (230, 5612189), (253, 5101990), (506, 2550995), (1265, 1020398), (2530, 510199)]