28564250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 128

約数和(自身を含む): 67931136

約数和(自身を除く): 39366886

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 25, 26, 34, 47, 50, 55, 65, 85, 94, 110, 125, 130, 143, 170, 187, 221, 235, 250, 275, 286, 325, 374, 425, 442, 470, 517, 550, 611, 650, 715, 799, 850, 935, 1034, 1105, 1175, 1222, 1375, 1430, 1598, 1625, 1870, 2125, 2210, 2350, 2431, 2585, 2750, 3055, 3250, 3575, 3995, 4250, 4675, 4862, 5170, 5525, 5875, 6110, 6721, 7150, 7990, 8789, 9350, 10387, 11050, 11750, 12155, 12925, 13442, 15275, 17578, 17875, 19975, 20774, 23375, 24310, 25850, 27625, 30550, 33605, 35750, 39950, 43945, 46750, 51935, 55250, 60775, 64625, 67210, 76375, 87890, 99875, 103870, 114257, 121550, 129250, 152750, 168025, 199750, 219725, 228514, 259675, 303875, 336050, 439450, 519350, 571285, 607750, 840125, 1098625, 1142570, 1298375, 1680250, 2197250, 2596750, 2856425, 5712850, 14282125, 28564250]

約数ペア:

[(1, 28564250), (2, 14282125), (5, 5712850), (10, 2856425), (11, 2596750), (13, 2197250), (17, 1680250), (22, 1298375), (25, 1142570), (26, 1098625), (34, 840125), (47, 607750), (50, 571285), (55, 519350), (65, 439450), (85, 336050), (94, 303875), (110, 259675), (125, 228514), (130, 219725), (143, 199750), (170, 168025), (187, 152750), (221, 129250), (235, 121550), (250, 114257), (275, 103870), (286, 99875), (325, 87890), (374, 76375), (425, 67210), (442, 64625), (470, 60775), (517, 55250), (550, 51935), (611, 46750), (650, 43945), (715, 39950), (799, 35750), (850, 33605), (935, 30550), (1034, 27625), (1105, 25850), (1175, 24310), (1222, 23375), (1375, 20774), (1430, 19975), (1598, 17875), (1625, 17578), (1870, 15275), (2125, 13442), (2210, 12925), (2350, 12155), (2431, 11750), (2585, 11050), (2750, 10387), (3055, 9350), (3250, 8789), (3575, 7990), (3995, 7150), (4250, 6721), (4675, 6110), (4862, 5875), (5170, 5525)]