131805100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:792

約数の個数: 108

約数和(自身を含む): 342176016

約数和(自身を除く): 210370916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 140, 148, 175, 185, 196, 245, 259, 350, 370, 490, 518, 700, 727, 740, 925, 980, 1036, 1225, 1295, 1454, 1813, 1850, 2450, 2590, 2908, 3626, 3635, 3700, 4900, 5089, 5180, 6475, 7252, 7270, 9065, 10178, 12950, 14540, 18130, 18175, 20356, 25445, 25900, 26899, 35623, 36260, 36350, 45325, 50890, 53798, 71246, 72700, 90650, 101780, 107596, 127225, 134495, 142492, 178115, 181300, 188293, 254450, 268990, 356230, 376586, 508900, 537980, 672475, 712460, 753172, 890575, 941465, 1318051, 1344950, 1781150, 1882930, 2636102, 2689900, 3562300, 3765860, 4707325, 5272204, 6590255, 9414650, 13180510, 18829300, 26361020, 32951275, 65902550, 131805100]

約数ペア:

[(1, 131805100), (2, 65902550), (4, 32951275), (5, 26361020), (7, 18829300), (10, 13180510), (14, 9414650), (20, 6590255), (25, 5272204), (28, 4707325), (35, 3765860), (37, 3562300), (49, 2689900), (50, 2636102), (70, 1882930), (74, 1781150), (98, 1344950), (100, 1318051), (140, 941465), (148, 890575), (175, 753172), (185, 712460), (196, 672475), (245, 537980), (259, 508900), (350, 376586), (370, 356230), (490, 268990), (518, 254450), (700, 188293), (727, 181300), (740, 178115), (925, 142492), (980, 134495), (1036, 127225), (1225, 107596), (1295, 101780), (1454, 90650), (1813, 72700), (1850, 71246), (2450, 53798), (2590, 50890), (2908, 45325), (3626, 36350), (3635, 36260), (3700, 35623), (4900, 26899), (5089, 25900), (5180, 25445), (6475, 20356), (7252, 18175), (7270, 18130), (9065, 14540), (10178, 12950)]