171423800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 96

約数和(自身を含む): 421639680

約数和(自身を除く): 250215880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 43, 50, 62, 86, 100, 124, 155, 172, 200, 215, 248, 310, 344, 430, 620, 643, 775, 860, 1075, 1240, 1286, 1333, 1550, 1720, 2150, 2572, 2666, 3100, 3215, 4300, 5144, 5332, 6200, 6430, 6665, 8600, 10664, 12860, 13330, 16075, 19933, 25720, 26660, 27649, 32150, 33325, 39866, 53320, 55298, 64300, 66650, 79732, 99665, 110596, 128600, 133300, 138245, 159464, 199330, 221192, 266600, 276490, 398660, 498325, 552980, 691225, 797320, 857119, 996650, 1105960, 1382450, 1714238, 1993300, 2764900, 3428476, 3986600, 4285595, 5529800, 6856952, 8571190, 17142380, 21427975, 34284760, 42855950, 85711900, 171423800]

約数ペア:

[(1, 171423800), (2, 85711900), (4, 42855950), (5, 34284760), (8, 21427975), (10, 17142380), (20, 8571190), (25, 6856952), (31, 5529800), (40, 4285595), (43, 3986600), (50, 3428476), (62, 2764900), (86, 1993300), (100, 1714238), (124, 1382450), (155, 1105960), (172, 996650), (200, 857119), (215, 797320), (248, 691225), (310, 552980), (344, 498325), (430, 398660), (620, 276490), (643, 266600), (775, 221192), (860, 199330), (1075, 159464), (1240, 138245), (1286, 133300), (1333, 128600), (1550, 110596), (1720, 99665), (2150, 79732), (2572, 66650), (2666, 64300), (3100, 55298), (3215, 53320), (4300, 39866), (5144, 33325), (5332, 32150), (6200, 27649), (6430, 26660), (6665, 25720), (8600, 19933), (10664, 16075), (12860, 13330)]