20149789750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{249533}}^1$

素因数の和:249586

約数の個数: 64

約数和(自身を含む): 42041488320

約数和(自身を除く): 21891698570

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 425, 475, 646, 850, 950, 1615, 2125, 2375, 3230, 4250, 4750, 8075, 16150, 40375, 80750, 249533, 499066, 1247665, 2495330, 4242061, 4741127, 6238325, 8484122, 9482254, 12476650, 21210305, 23705635, 31191625, 42420610, 47411270, 62383250, 80599159, 106051525, 118528175, 161198318, 212103050, 237056350, 402995795, 530257625, 592640875, 805991590, 1060515250, 1185281750, 2014978975, 4029957950, 10074894875, 20149789750]

約数ペア:

[(1, 20149789750), (2, 10074894875), (5, 4029957950), (10, 2014978975), (17, 1185281750), (19, 1060515250), (25, 805991590), (34, 592640875), (38, 530257625), (50, 402995795), (85, 237056350), (95, 212103050), (125, 161198318), (170, 118528175), (190, 106051525), (250, 80599159), (323, 62383250), (425, 47411270), (475, 42420610), (646, 31191625), (850, 23705635), (950, 21210305), (1615, 12476650), (2125, 9482254), (2375, 8484122), (3230, 6238325), (4250, 4741127), (4750, 4242061), (8075, 2495330), (16150, 1247665), (40375, 499066), (80750, 249533)]