4945150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 10713600

約数和(自身を除く): 5768450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 199, 350, 355, 398, 497, 710, 994, 995, 1393, 1775, 1990, 2485, 2786, 3550, 4970, 4975, 6965, 9950, 12425, 13930, 14129, 24850, 28258, 34825, 69650, 70645, 98903, 141290, 197806, 353225, 494515, 706450, 989030, 2472575, 4945150]

約数ペア:

[(1, 4945150), (2, 2472575), (5, 989030), (7, 706450), (10, 494515), (14, 353225), (25, 197806), (35, 141290), (50, 98903), (70, 70645), (71, 69650), (142, 34825), (175, 28258), (199, 24850), (350, 14129), (355, 13930), (398, 12425), (497, 9950), (710, 6965), (994, 4975), (995, 4970), (1393, 3550), (1775, 2786), (1990, 2485)]