68998250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 69379990

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 125, 145, 155, 250, 290, 307, 310, 614, 725, 775, 899, 1450, 1535, 1550, 1798, 3070, 3625, 3875, 4495, 7250, 7675, 7750, 8903, 8990, 9517, 15350, 17806, 19034, 22475, 38375, 44515, 44950, 47585, 76750, 89030, 95170, 112375, 222575, 224750, 237925, 275993, 445150, 475850, 551986, 1112875, 1189625, 1379965, 2225750, 2379250, 2759930, 6899825, 13799650, 34499125, 68998250]

約数ペア:

[(1, 68998250), (2, 34499125), (5, 13799650), (10, 6899825), (25, 2759930), (29, 2379250), (31, 2225750), (50, 1379965), (58, 1189625), (62, 1112875), (125, 551986), (145, 475850), (155, 445150), (250, 275993), (290, 237925), (307, 224750), (310, 222575), (614, 112375), (725, 95170), (775, 89030), (899, 76750), (1450, 47585), (1535, 44950), (1550, 44515), (1798, 38375), (3070, 22475), (3625, 19034), (3875, 17806), (4495, 15350), (7250, 9517), (7675, 8990), (7750, 8903)]