213539650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1447

約数の個数: 48

約数和(自身を含む): 411623208

約数和(自身を除く): 198083558

約数列:

[1, 2, 5, 10, 25, 50, 53, 61, 106, 122, 265, 305, 530, 610, 1321, 1325, 1525, 2642, 2650, 3050, 3233, 6466, 6605, 13210, 16165, 32330, 33025, 66050, 70013, 80581, 80825, 140026, 161162, 161650, 350065, 402905, 700130, 805810, 1750325, 2014525, 3500650, 4029050, 4270793, 8541586, 21353965, 42707930, 106769825, 213539650]

約数ペア:

[(1, 213539650), (2, 106769825), (5, 42707930), (10, 21353965), (25, 8541586), (50, 4270793), (53, 4029050), (61, 3500650), (106, 2014525), (122, 1750325), (265, 805810), (305, 700130), (530, 402905), (610, 350065), (1321, 161650), (1325, 161162), (1525, 140026), (2642, 80825), (2650, 80581), (3050, 70013), (3233, 66050), (6466, 33025), (6605, 32330), (13210, 16165)]