155319500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 391372800

約数和(自身を除く): 236053300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 199, 223, 250, 350, 398, 446, 500, 700, 796, 875, 892, 995, 1115, 1393, 1561, 1750, 1990, 2230, 2786, 3122, 3500, 3980, 4460, 4975, 5572, 5575, 6244, 6965, 7805, 9950, 11150, 13930, 15610, 19900, 22300, 24875, 27860, 27875, 31220, 34825, 39025, 44377, 49750, 55750, 69650, 78050, 88754, 99500, 111500, 139300, 156100, 174125, 177508, 195125, 221885, 310639, 348250, 390250, 443770, 621278, 696500, 780500, 887540, 1109425, 1242556, 1553195, 2218850, 3106390, 4437700, 5547125, 6212780, 7765975, 11094250, 15531950, 22188500, 31063900, 38829875, 77659750, 155319500]

約数ペア:

[(1, 155319500), (2, 77659750), (4, 38829875), (5, 31063900), (7, 22188500), (10, 15531950), (14, 11094250), (20, 7765975), (25, 6212780), (28, 5547125), (35, 4437700), (50, 3106390), (70, 2218850), (100, 1553195), (125, 1242556), (140, 1109425), (175, 887540), (199, 780500), (223, 696500), (250, 621278), (350, 443770), (398, 390250), (446, 348250), (500, 310639), (700, 221885), (796, 195125), (875, 177508), (892, 174125), (995, 156100), (1115, 139300), (1393, 111500), (1561, 99500), (1750, 88754), (1990, 78050), (2230, 69650), (2786, 55750), (3122, 49750), (3500, 44377), (3980, 39025), (4460, 34825), (4975, 31220), (5572, 27875), (5575, 27860), (6244, 24875), (6965, 22300), (7805, 19900), (9950, 15610), (11150, 13930)]