78914500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{3221}}^1$

素因数の和:3254

約数の個数: 72

約数和(自身を含む): 200550168

約数和(自身を除く): 121635668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3221, 3500, 4900, 6125, 6442, 12250, 12884, 16105, 22547, 24500, 32210, 45094, 64420, 80525, 90188, 112735, 157829, 161050, 225470, 315658, 322100, 402625, 450940, 563675, 631316, 789145, 805250, 1127350, 1578290, 1610500, 2254700, 2818375, 3156580, 3945725, 5636750, 7891450, 11273500, 15782900, 19728625, 39457250, 78914500]

約数ペア:

[(1, 78914500), (2, 39457250), (4, 19728625), (5, 15782900), (7, 11273500), (10, 7891450), (14, 5636750), (20, 3945725), (25, 3156580), (28, 2818375), (35, 2254700), (49, 1610500), (50, 1578290), (70, 1127350), (98, 805250), (100, 789145), (125, 631316), (140, 563675), (175, 450940), (196, 402625), (245, 322100), (250, 315658), (350, 225470), (490, 161050), (500, 157829), (700, 112735), (875, 90188), (980, 80525), (1225, 64420), (1750, 45094), (2450, 32210), (3221, 24500), (3500, 22547), (4900, 16105), (6125, 12884), (6442, 12250)]