210325900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 478813104

約数和(自身を除く): 268487204

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 82, 86, 100, 164, 172, 205, 215, 410, 430, 820, 860, 1025, 1075, 1193, 1763, 2050, 2150, 2386, 3526, 4100, 4300, 4772, 5965, 7052, 8815, 11930, 17630, 23860, 29825, 35260, 44075, 48913, 51299, 59650, 88150, 97826, 102598, 119300, 176300, 195652, 205196, 244565, 256495, 489130, 512990, 978260, 1025980, 1222825, 1282475, 2103259, 2445650, 2564950, 4206518, 4891300, 5129900, 8413036, 10516295, 21032590, 42065180, 52581475, 105162950, 210325900]

約数ペア:

[(1, 210325900), (2, 105162950), (4, 52581475), (5, 42065180), (10, 21032590), (20, 10516295), (25, 8413036), (41, 5129900), (43, 4891300), (50, 4206518), (82, 2564950), (86, 2445650), (100, 2103259), (164, 1282475), (172, 1222825), (205, 1025980), (215, 978260), (410, 512990), (430, 489130), (820, 256495), (860, 244565), (1025, 205196), (1075, 195652), (1193, 176300), (1763, 119300), (2050, 102598), (2150, 97826), (2386, 88150), (3526, 59650), (4100, 51299), (4300, 48913), (4772, 44075), (5965, 35260), (7052, 29825), (8815, 23860), (11930, 17630)]