280991235

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{5237}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 530253216

約数和(自身を除く): 249261981

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 73, 105, 147, 219, 245, 365, 511, 735, 1095, 1533, 2555, 3577, 5237, 7665, 10731, 15711, 17885, 26185, 36659, 53655, 78555, 109977, 183295, 256613, 382301, 549885, 769839, 1146903, 1283065, 1911505, 2676107, 3849195, 5734515, 8028321, 13380535, 18732749, 40141605, 56198247, 93663745, 280991235]

約数ペア:

[(1, 280991235), (3, 93663745), (5, 56198247), (7, 40141605), (15, 18732749), (21, 13380535), (35, 8028321), (49, 5734515), (73, 3849195), (105, 2676107), (147, 1911505), (219, 1283065), (245, 1146903), (365, 769839), (511, 549885), (735, 382301), (1095, 256613), (1533, 183295), (2555, 109977), (3577, 78555), (5237, 53655), (7665, 36659), (10731, 26185), (15711, 17885)]