19739650

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{1151}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 23114750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 490, 686, 1151, 1225, 1715, 2302, 2450, 3430, 5755, 8057, 8575, 11510, 16114, 17150, 28775, 40285, 56399, 57550, 80570, 112798, 201425, 281995, 394793, 402850, 563990, 789586, 1409975, 1973965, 2819950, 3947930, 9869825, 19739650]

約数ペア:

[(1, 19739650), (2, 9869825), (5, 3947930), (7, 2819950), (10, 1973965), (14, 1409975), (25, 789586), (35, 563990), (49, 402850), (50, 394793), (70, 281995), (98, 201425), (175, 112798), (245, 80570), (343, 57550), (350, 56399), (490, 40285), (686, 28775), (1151, 17150), (1225, 16114), (1715, 11510), (2302, 8575), (2450, 8057), (3430, 5755)]