209075100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53609}}^1$

素因数の和:53639

約数の個数: 72

約数和(自身を含む): 651468720

約数和(自身を除く): 442393620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 53609, 107218, 160827, 214436, 268045, 321654, 536090, 643308, 696917, 804135, 1072180, 1340225, 1393834, 1608270, 2090751, 2680450, 2787668, 3216540, 3484585, 4020675, 4181502, 5360900, 6969170, 8041350, 8363004, 10453755, 13938340, 16082700, 17422925, 20907510, 34845850, 41815020, 52268775, 69691700, 104537550, 209075100]

約数ペア:

[(1, 209075100), (2, 104537550), (3, 69691700), (4, 52268775), (5, 41815020), (6, 34845850), (10, 20907510), (12, 17422925), (13, 16082700), (15, 13938340), (20, 10453755), (25, 8363004), (26, 8041350), (30, 6969170), (39, 5360900), (50, 4181502), (52, 4020675), (60, 3484585), (65, 3216540), (75, 2787668), (78, 2680450), (100, 2090751), (130, 1608270), (150, 1393834), (156, 1340225), (195, 1072180), (260, 804135), (300, 696917), (325, 643308), (390, 536090), (650, 321654), (780, 268045), (975, 214436), (1300, 160827), (1950, 107218), (3900, 53609)]