28538300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 72078720

約数和(自身を除く): 43540420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 100, 118, 140, 175, 236, 295, 350, 413, 590, 691, 700, 826, 1180, 1382, 1475, 1652, 2065, 2764, 2950, 3455, 4130, 4837, 5900, 6910, 8260, 9674, 10325, 13820, 17275, 19348, 20650, 24185, 34550, 40769, 41300, 48370, 69100, 81538, 96740, 120925, 163076, 203845, 241850, 285383, 407690, 483700, 570766, 815380, 1019225, 1141532, 1426915, 2038450, 2853830, 4076900, 5707660, 7134575, 14269150, 28538300]

約数ペア:

[(1, 28538300), (2, 14269150), (4, 7134575), (5, 5707660), (7, 4076900), (10, 2853830), (14, 2038450), (20, 1426915), (25, 1141532), (28, 1019225), (35, 815380), (50, 570766), (59, 483700), (70, 407690), (100, 285383), (118, 241850), (140, 203845), (175, 163076), (236, 120925), (295, 96740), (350, 81538), (413, 69100), (590, 48370), (691, 41300), (700, 40769), (826, 34550), (1180, 24185), (1382, 20650), (1475, 19348), (1652, 17275), (2065, 13820), (2764, 10325), (2950, 9674), (3455, 8260), (4130, 6910), (4837, 5900)]