28668750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 78744960

約数和(自身を除く): 50076210

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 139, 150, 165, 250, 275, 278, 330, 375, 417, 550, 625, 695, 750, 825, 834, 1250, 1375, 1390, 1529, 1650, 1875, 2085, 2750, 3058, 3125, 3475, 3750, 4125, 4170, 4587, 6250, 6875, 6950, 7645, 8250, 9174, 9375, 10425, 13750, 15290, 17375, 18750, 20625, 20850, 22935, 34375, 34750, 38225, 41250, 45870, 52125, 68750, 76450, 86875, 103125, 104250, 114675, 173750, 191125, 206250, 229350, 260625, 382250, 434375, 521250, 573375, 868750, 955625, 1146750, 1303125, 1911250, 2606250, 2866875, 4778125, 5733750, 9556250, 14334375, 28668750]

約数ペア:

[(1, 28668750), (2, 14334375), (3, 9556250), (5, 5733750), (6, 4778125), (10, 2866875), (11, 2606250), (15, 1911250), (22, 1303125), (25, 1146750), (30, 955625), (33, 868750), (50, 573375), (55, 521250), (66, 434375), (75, 382250), (110, 260625), (125, 229350), (139, 206250), (150, 191125), (165, 173750), (250, 114675), (275, 104250), (278, 103125), (330, 86875), (375, 76450), (417, 68750), (550, 52125), (625, 45870), (695, 41250), (750, 38225), (825, 34750), (834, 34375), (1250, 22935), (1375, 20850), (1390, 20625), (1529, 18750), (1650, 17375), (1875, 15290), (2085, 13750), (2750, 10425), (3058, 9375), (3125, 9174), (3475, 8250), (3750, 7645), (4125, 6950), (4170, 6875), (4587, 6250)]