78969700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 182800800

約数和(自身を除く): 103831100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 178, 190, 356, 380, 445, 467, 475, 890, 934, 950, 1691, 1780, 1868, 1900, 2225, 2335, 3382, 4450, 4670, 6764, 8455, 8873, 8900, 9340, 11675, 16910, 17746, 23350, 33820, 35492, 41563, 42275, 44365, 46700, 83126, 84550, 88730, 166252, 169100, 177460, 207815, 221825, 415630, 443650, 789697, 831260, 887300, 1039075, 1579394, 2078150, 3158788, 3948485, 4156300, 7896970, 15793940, 19742425, 39484850, 78969700]

約数ペア:

[(1, 78969700), (2, 39484850), (4, 19742425), (5, 15793940), (10, 7896970), (19, 4156300), (20, 3948485), (25, 3158788), (38, 2078150), (50, 1579394), (76, 1039075), (89, 887300), (95, 831260), (100, 789697), (178, 443650), (190, 415630), (356, 221825), (380, 207815), (445, 177460), (467, 169100), (475, 166252), (890, 88730), (934, 84550), (950, 83126), (1691, 46700), (1780, 44365), (1868, 42275), (1900, 41563), (2225, 35492), (2335, 33820), (3382, 23350), (4450, 17746), (4670, 16910), (6764, 11675), (8455, 9340), (8873, 8900)]