198876870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{245527}}^1$

素因数の和:245546

約数の個数: 40

約数和(自身を含む): 534759984

約数和(自身を除く): 335883114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 245527, 491054, 736581, 1227635, 1473162, 2209743, 2455270, 3682905, 4419486, 6629229, 7365810, 11048715, 13258458, 19887687, 22097430, 33146145, 39775374, 66292290, 99438435, 198876870]

約数ペア:

[(1, 198876870), (2, 99438435), (3, 66292290), (5, 39775374), (6, 33146145), (9, 22097430), (10, 19887687), (15, 13258458), (18, 11048715), (27, 7365810), (30, 6629229), (45, 4419486), (54, 3682905), (81, 2455270), (90, 2209743), (135, 1473162), (162, 1227635), (270, 736581), (405, 491054), (810, 245527)]