217418330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 419675040

約数和(自身を除く): 202256710

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 227, 355, 454, 710, 1135, 1349, 2270, 2698, 4313, 5041, 6745, 8626, 10082, 13490, 16117, 21565, 25205, 32234, 43130, 50410, 80585, 95779, 161170, 191558, 306223, 478895, 612446, 957790, 1144307, 1531115, 2288614, 3062230, 5721535, 11443070, 21741833, 43483666, 108709165, 217418330]

約数ペア:

[(1, 217418330), (2, 108709165), (5, 43483666), (10, 21741833), (19, 11443070), (38, 5721535), (71, 3062230), (95, 2288614), (142, 1531115), (190, 1144307), (227, 957790), (355, 612446), (454, 478895), (710, 306223), (1135, 191558), (1349, 161170), (2270, 95779), (2698, 80585), (4313, 50410), (5041, 43130), (6745, 32234), (8626, 25205), (10082, 21565), (13490, 16117)]