385655500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 880588800

約数和(自身を除く): 494933300

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 139, 155, 179, 250, 278, 310, 358, 500, 556, 620, 695, 716, 775, 895, 1390, 1550, 1790, 2780, 3100, 3475, 3580, 3875, 4309, 4475, 5549, 6950, 7750, 8618, 8950, 11098, 13900, 15500, 17236, 17375, 17900, 21545, 22196, 22375, 24881, 27745, 34750, 43090, 44750, 49762, 55490, 69500, 86180, 89500, 99524, 107725, 110980, 124405, 138725, 215450, 248810, 277450, 430900, 497620, 538625, 554900, 622025, 693625, 771311, 1077250, 1244050, 1387250, 1542622, 2154500, 2488100, 2774500, 3085244, 3110125, 3856555, 6220250, 7713110, 12440500, 15426220, 19282775, 38565550, 77131100, 96413875, 192827750, 385655500]

約数ペア:

[(1, 385655500), (2, 192827750), (4, 96413875), (5, 77131100), (10, 38565550), (20, 19282775), (25, 15426220), (31, 12440500), (50, 7713110), (62, 6220250), (100, 3856555), (124, 3110125), (125, 3085244), (139, 2774500), (155, 2488100), (179, 2154500), (250, 1542622), (278, 1387250), (310, 1244050), (358, 1077250), (500, 771311), (556, 693625), (620, 622025), (695, 554900), (716, 538625), (775, 497620), (895, 430900), (1390, 277450), (1550, 248810), (1790, 215450), (2780, 138725), (3100, 124405), (3475, 110980), (3580, 107725), (3875, 99524), (4309, 89500), (4475, 86180), (5549, 69500), (6950, 55490), (7750, 49762), (8618, 44750), (8950, 43090), (11098, 34750), (13900, 27745), (15500, 24881), (17236, 22375), (17375, 22196), (17900, 21545)]