78366550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 149878800

約数和(自身を除く): 71512250

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 149, 157, 298, 314, 335, 670, 745, 785, 1490, 1570, 1675, 3350, 3725, 3925, 7450, 7850, 9983, 10519, 19966, 21038, 23393, 46786, 49915, 52595, 99830, 105190, 116965, 233930, 249575, 262975, 499150, 525950, 584825, 1169650, 1567331, 3134662, 7836655, 15673310, 39183275, 78366550]

約数ペア:

[(1, 78366550), (2, 39183275), (5, 15673310), (10, 7836655), (25, 3134662), (50, 1567331), (67, 1169650), (134, 584825), (149, 525950), (157, 499150), (298, 262975), (314, 249575), (335, 233930), (670, 116965), (745, 105190), (785, 99830), (1490, 52595), (1570, 49915), (1675, 46786), (3350, 23393), (3725, 21038), (3925, 19966), (7450, 10519), (7850, 9983)]