77438000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1303

約数の個数: 80

約数和(自身を含む): 193440000

約数和(自身を除く): 116002000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1249, 1550, 2000, 2480, 2498, 3100, 3875, 4996, 6200, 6245, 7750, 9992, 12400, 12490, 15500, 19984, 24980, 31000, 31225, 38719, 49960, 62000, 62450, 77438, 99920, 124900, 154876, 156125, 193595, 249800, 309752, 312250, 387190, 499600, 619504, 624500, 774380, 967975, 1249000, 1548760, 1935950, 2498000, 3097520, 3871900, 4839875, 7743800, 9679750, 15487600, 19359500, 38719000, 77438000]

約数ペア:

[(1, 77438000), (2, 38719000), (4, 19359500), (5, 15487600), (8, 9679750), (10, 7743800), (16, 4839875), (20, 3871900), (25, 3097520), (31, 2498000), (40, 1935950), (50, 1548760), (62, 1249000), (80, 967975), (100, 774380), (124, 624500), (125, 619504), (155, 499600), (200, 387190), (248, 312250), (250, 309752), (310, 249800), (400, 193595), (496, 156125), (500, 154876), (620, 124900), (775, 99920), (1000, 77438), (1240, 62450), (1249, 62000), (1550, 49960), (2000, 38719), (2480, 31225), (2498, 31000), (3100, 24980), (3875, 19984), (4996, 15500), (6200, 12490), (6245, 12400), (7750, 9992)]