1281975550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{1867}}^1$

素因数の和:2353

約数の個数: 48

約数和(自身を含む): 2468270592

約数和(自身を除く): 1186295042

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 443, 775, 886, 1550, 1867, 2215, 3734, 4430, 9335, 11075, 13733, 18670, 22150, 27466, 46675, 57877, 68665, 93350, 115754, 137330, 289385, 343325, 578770, 686650, 827081, 1446925, 1654162, 2893850, 4135405, 8270810, 20677025, 25639511, 41354050, 51279022, 128197555, 256395110, 640987775, 1281975550]

約数ペア:

[(1, 1281975550), (2, 640987775), (5, 256395110), (10, 128197555), (25, 51279022), (31, 41354050), (50, 25639511), (62, 20677025), (155, 8270810), (310, 4135405), (443, 2893850), (775, 1654162), (886, 1446925), (1550, 827081), (1867, 686650), (2215, 578770), (3734, 343325), (4430, 289385), (9335, 137330), (11075, 115754), (13733, 93350), (18670, 68665), (22150, 57877), (27466, 46675)]