53978750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 80

約数和(自身を含む): 119961600

約数和(自身を除く): 65982850

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 199, 217, 250, 310, 350, 398, 434, 625, 775, 875, 995, 1085, 1250, 1393, 1550, 1750, 1990, 2170, 2786, 3875, 4375, 4975, 5425, 6169, 6965, 7750, 8750, 9950, 10850, 12338, 13930, 19375, 24875, 27125, 30845, 34825, 38750, 43183, 49750, 54250, 61690, 69650, 86366, 124375, 135625, 154225, 174125, 215915, 248750, 271250, 308450, 348250, 431830, 771125, 870625, 1079575, 1542250, 1741250, 2159150, 3855625, 5397875, 7711250, 10795750, 26989375, 53978750]

約数ペア:

[(1, 53978750), (2, 26989375), (5, 10795750), (7, 7711250), (10, 5397875), (14, 3855625), (25, 2159150), (31, 1741250), (35, 1542250), (50, 1079575), (62, 870625), (70, 771125), (125, 431830), (155, 348250), (175, 308450), (199, 271250), (217, 248750), (250, 215915), (310, 174125), (350, 154225), (398, 135625), (434, 124375), (625, 86366), (775, 69650), (875, 61690), (995, 54250), (1085, 49750), (1250, 43183), (1393, 38750), (1550, 34825), (1750, 30845), (1990, 27125), (2170, 24875), (2786, 19375), (3875, 13930), (4375, 12338), (4975, 10850), (5425, 9950), (6169, 8750), (6965, 7750)]