1869892400

素因数分解:

$2^4\times 5^2\times {\mathrm{829}}^1\times {\mathrm{5639}}^1$

素因数の和:6486

約数の個数: 60

約数和(自身を含む): 4498633200

約数和(自身を除く): 2628740800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 829, 1658, 3316, 4145, 5639, 6632, 8290, 11278, 13264, 16580, 20725, 22556, 28195, 33160, 41450, 45112, 56390, 66320, 82900, 90224, 112780, 140975, 165800, 225560, 281950, 331600, 451120, 563900, 1127800, 2255600, 4674731, 9349462, 18698924, 23373655, 37397848, 46747310, 74795696, 93494620, 116868275, 186989240, 233736550, 373978480, 467473100, 934946200, 1869892400]

約数ペア:

[(1, 1869892400), (2, 934946200), (4, 467473100), (5, 373978480), (8, 233736550), (10, 186989240), (16, 116868275), (20, 93494620), (25, 74795696), (40, 46747310), (50, 37397848), (80, 23373655), (100, 18698924), (200, 9349462), (400, 4674731), (829, 2255600), (1658, 1127800), (3316, 563900), (4145, 451120), (5639, 331600), (6632, 281950), (8290, 225560), (11278, 165800), (13264, 140975), (16580, 112780), (20725, 90224), (22556, 82900), (28195, 66320), (33160, 56390), (41450, 45112)]