221565250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 451357920

約数和(自身を除く): 229792670

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 125, 170, 185, 250, 370, 425, 629, 850, 925, 1258, 1409, 1850, 2125, 2818, 3145, 4250, 4625, 6290, 7045, 9250, 14090, 15725, 23953, 31450, 35225, 47906, 52133, 70450, 78625, 104266, 119765, 157250, 176125, 239530, 260665, 352250, 521330, 598825, 886261, 1197650, 1303325, 1772522, 2606650, 2994125, 4431305, 5988250, 6516625, 8862610, 13033250, 22156525, 44313050, 110782625, 221565250]

約数ペア:

[(1, 221565250), (2, 110782625), (5, 44313050), (10, 22156525), (17, 13033250), (25, 8862610), (34, 6516625), (37, 5988250), (50, 4431305), (74, 2994125), (85, 2606650), (125, 1772522), (170, 1303325), (185, 1197650), (250, 886261), (370, 598825), (425, 521330), (629, 352250), (850, 260665), (925, 239530), (1258, 176125), (1409, 157250), (1850, 119765), (2125, 104266), (2818, 78625), (3145, 70450), (4250, 52133), (4625, 47906), (6290, 35225), (7045, 31450), (9250, 23953), (14090, 15725)]