2102540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2977780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 503, 836, 1006, 1045, 2012, 2090, 2515, 4180, 5030, 5533, 9557, 10060, 11066, 19114, 22132, 27665, 38228, 47785, 55330, 95570, 105127, 110660, 191140, 210254, 420508, 525635, 1051270, 2102540]

約数ペア:

[(1, 2102540), (2, 1051270), (4, 525635), (5, 420508), (10, 210254), (11, 191140), (19, 110660), (20, 105127), (22, 95570), (38, 55330), (44, 47785), (55, 38228), (76, 27665), (95, 22132), (110, 19114), (190, 11066), (209, 10060), (220, 9557), (380, 5533), (418, 5030), (503, 4180), (836, 2515), (1006, 2090), (1045, 2012)]