9890300

素因数分解:

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

素因数の和:291

約数の個数: 72

約数和(自身を含む): 24998400

約数和(自身を除く): 15108100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 199, 284, 350, 355, 398, 497, 700, 710, 796, 994, 995, 1393, 1420, 1775, 1988, 1990, 2485, 2786, 3550, 3980, 4970, 4975, 5572, 6965, 7100, 9940, 9950, 12425, 13930, 14129, 19900, 24850, 27860, 28258, 34825, 49700, 56516, 69650, 70645, 98903, 139300, 141290, 197806, 282580, 353225, 395612, 494515, 706450, 989030, 1412900, 1978060, 2472575, 4945150, 9890300]

約数ペア:

[(1, 9890300), (2, 4945150), (4, 2472575), (5, 1978060), (7, 1412900), (10, 989030), (14, 706450), (20, 494515), (25, 395612), (28, 353225), (35, 282580), (50, 197806), (70, 141290), (71, 139300), (100, 98903), (140, 70645), (142, 69650), (175, 56516), (199, 49700), (284, 34825), (350, 28258), (355, 27860), (398, 24850), (497, 19900), (700, 14129), (710, 13930), (796, 12425), (994, 9950), (995, 9940), (1393, 7100), (1420, 6965), (1775, 5572), (1988, 4975), (1990, 4970), (2485, 3980), (2786, 3550)]