139164850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2843}}^1$

素因数の和:2955

約数の個数: 48

約数和(自身を含む): 285651360

約数和(自身を除く): 146486510

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 445, 550, 890, 979, 1958, 2225, 2843, 4450, 4895, 5686, 9790, 14215, 24475, 28430, 31273, 48950, 62546, 71075, 142150, 156365, 253027, 312730, 506054, 781825, 1265135, 1563650, 2530270, 2783297, 5566594, 6325675, 12651350, 13916485, 27832970, 69582425, 139164850]

約数ペア:

[(1, 139164850), (2, 69582425), (5, 27832970), (10, 13916485), (11, 12651350), (22, 6325675), (25, 5566594), (50, 2783297), (55, 2530270), (89, 1563650), (110, 1265135), (178, 781825), (275, 506054), (445, 312730), (550, 253027), (890, 156365), (979, 142150), (1958, 71075), (2225, 62546), (2843, 48950), (4450, 31273), (4895, 28430), (5686, 24475), (9790, 14215)]