19877100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1123}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 58537920

約数和(自身を除く): 38660820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 75, 100, 118, 150, 177, 236, 295, 300, 354, 590, 708, 885, 1123, 1180, 1475, 1770, 2246, 2950, 3369, 3540, 4425, 4492, 5615, 5900, 6738, 8850, 11230, 13476, 16845, 17700, 22460, 28075, 33690, 56150, 66257, 67380, 84225, 112300, 132514, 168450, 198771, 265028, 331285, 336900, 397542, 662570, 795084, 993855, 1325140, 1656425, 1987710, 3312850, 3975420, 4969275, 6625700, 9938550, 19877100]

約数ペア:

[(1, 19877100), (2, 9938550), (3, 6625700), (4, 4969275), (5, 3975420), (6, 3312850), (10, 1987710), (12, 1656425), (15, 1325140), (20, 993855), (25, 795084), (30, 662570), (50, 397542), (59, 336900), (60, 331285), (75, 265028), (100, 198771), (118, 168450), (150, 132514), (177, 112300), (236, 84225), (295, 67380), (300, 66257), (354, 56150), (590, 33690), (708, 28075), (885, 22460), (1123, 17700), (1180, 16845), (1475, 13476), (1770, 11230), (2246, 8850), (2950, 6738), (3369, 5900), (3540, 5615), (4425, 4492)]