398864250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{19697}}^1$

素因数の和:19726

約数の個数: 80

約数和(自身を含む): 1115458344

約数和(自身を除く): 716594094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 675, 750, 810, 1125, 1350, 2025, 2250, 3375, 4050, 6750, 10125, 19697, 20250, 39394, 59091, 98485, 118182, 177273, 196970, 295455, 354546, 492425, 531819, 590910, 886365, 984850, 1063638, 1477275, 1595457, 1772730, 2462125, 2659095, 2954550, 3190914, 4431825, 4924250, 5318190, 7386375, 7977285, 8863650, 13295475, 14772750, 15954570, 22159125, 26590950, 39886425, 44318250, 66477375, 79772850, 132954750, 199432125, 398864250]

約数ペア:

[(1, 398864250), (2, 199432125), (3, 132954750), (5, 79772850), (6, 66477375), (9, 44318250), (10, 39886425), (15, 26590950), (18, 22159125), (25, 15954570), (27, 14772750), (30, 13295475), (45, 8863650), (50, 7977285), (54, 7386375), (75, 5318190), (81, 4924250), (90, 4431825), (125, 3190914), (135, 2954550), (150, 2659095), (162, 2462125), (225, 1772730), (250, 1595457), (270, 1477275), (375, 1063638), (405, 984850), (450, 886365), (675, 590910), (750, 531819), (810, 492425), (1125, 354546), (1350, 295455), (2025, 196970), (2250, 177273), (3375, 118182), (4050, 98485), (6750, 59091), (10125, 39394), (19697, 20250)]