388591700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^2$

素因数の和:274

約数の個数: 108

約数和(自身を含む): 990249120

約数和(自身を除く): 601657420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 97, 100, 118, 140, 175, 194, 236, 295, 350, 388, 413, 485, 590, 679, 700, 826, 970, 1180, 1358, 1475, 1652, 1940, 2065, 2425, 2716, 2950, 3395, 4130, 4850, 5723, 5900, 6790, 8260, 9409, 9700, 10325, 11446, 13580, 16975, 18818, 20650, 22892, 28615, 33950, 37636, 40061, 41300, 47045, 57230, 65863, 67900, 80122, 94090, 114460, 131726, 143075, 160244, 188180, 200305, 235225, 263452, 286150, 329315, 400610, 470450, 555131, 572300, 658630, 801220, 940900, 1001525, 1110262, 1317260, 1646575, 2003050, 2220524, 2775655, 3293150, 3885917, 4006100, 5551310, 6586300, 7771834, 11102620, 13878275, 15543668, 19429585, 27756550, 38859170, 55513100, 77718340, 97147925, 194295850, 388591700]

約数ペア:

[(1, 388591700), (2, 194295850), (4, 97147925), (5, 77718340), (7, 55513100), (10, 38859170), (14, 27756550), (20, 19429585), (25, 15543668), (28, 13878275), (35, 11102620), (50, 7771834), (59, 6586300), (70, 5551310), (97, 4006100), (100, 3885917), (118, 3293150), (140, 2775655), (175, 2220524), (194, 2003050), (236, 1646575), (295, 1317260), (350, 1110262), (388, 1001525), (413, 940900), (485, 801220), (590, 658630), (679, 572300), (700, 555131), (826, 470450), (970, 400610), (1180, 329315), (1358, 286150), (1475, 263452), (1652, 235225), (1940, 200305), (2065, 188180), (2425, 160244), (2716, 143075), (2950, 131726), (3395, 114460), (4130, 94090), (4850, 80122), (5723, 67900), (5900, 65863), (6790, 57230), (8260, 47045), (9409, 41300), (9700, 40061), (10325, 37636), (11446, 33950), (13580, 28615), (16975, 22892), (18818, 20650)]