2159150

素因数分解:

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

素因数の和:249

約数の個数: 48

約数和(自身を含む): 4761600

約数和(自身を除く): 2602450

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 199, 217, 310, 350, 398, 434, 775, 995, 1085, 1393, 1550, 1990, 2170, 2786, 4975, 5425, 6169, 6965, 9950, 10850, 12338, 13930, 30845, 34825, 43183, 61690, 69650, 86366, 154225, 215915, 308450, 431830, 1079575, 2159150]

約数ペア:

[(1, 2159150), (2, 1079575), (5, 431830), (7, 308450), (10, 215915), (14, 154225), (25, 86366), (31, 69650), (35, 61690), (50, 43183), (62, 34825), (70, 30845), (155, 13930), (175, 12338), (199, 10850), (217, 9950), (310, 6965), (350, 6169), (398, 5425), (434, 4975), (775, 2786), (995, 2170), (1085, 1990), (1393, 1550)]