78654650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 151624224

約数和(自身を除く): 72969574

約数列:

[1, 2, 5, 10, 25, 50, 53, 67, 106, 134, 265, 335, 443, 530, 670, 886, 1325, 1675, 2215, 2650, 3350, 3551, 4430, 7102, 11075, 17755, 22150, 23479, 29681, 35510, 46958, 59362, 88775, 117395, 148405, 177550, 234790, 296810, 586975, 742025, 1173950, 1484050, 1573093, 3146186, 7865465, 15730930, 39327325, 78654650]

約数ペア:

[(1, 78654650), (2, 39327325), (5, 15730930), (10, 7865465), (25, 3146186), (50, 1573093), (53, 1484050), (67, 1173950), (106, 742025), (134, 586975), (265, 296810), (335, 234790), (443, 177550), (530, 148405), (670, 117395), (886, 88775), (1325, 59362), (1675, 46958), (2215, 35510), (2650, 29681), (3350, 23479), (3551, 22150), (4430, 17755), (7102, 11075)]