28148800

素因数分解:

$2^6\times 5^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 84

約数和(自身を含む): 70503796

約数和(自身を除く): 42354996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 146, 160, 200, 241, 292, 320, 365, 400, 482, 584, 730, 800, 964, 1168, 1205, 1460, 1600, 1825, 1928, 2336, 2410, 2920, 3650, 3856, 4672, 4820, 5840, 6025, 7300, 7712, 9640, 11680, 12050, 14600, 15424, 17593, 19280, 23360, 24100, 29200, 35186, 38560, 48200, 58400, 70372, 77120, 87965, 96400, 116800, 140744, 175930, 192800, 281488, 351860, 385600, 439825, 562976, 703720, 879650, 1125952, 1407440, 1759300, 2814880, 3518600, 5629760, 7037200, 14074400, 28148800]

約数ペア:

[(1, 28148800), (2, 14074400), (4, 7037200), (5, 5629760), (8, 3518600), (10, 2814880), (16, 1759300), (20, 1407440), (25, 1125952), (32, 879650), (40, 703720), (50, 562976), (64, 439825), (73, 385600), (80, 351860), (100, 281488), (146, 192800), (160, 175930), (200, 140744), (241, 116800), (292, 96400), (320, 87965), (365, 77120), (400, 70372), (482, 58400), (584, 48200), (730, 38560), (800, 35186), (964, 29200), (1168, 24100), (1205, 23360), (1460, 19280), (1600, 17593), (1825, 15424), (1928, 14600), (2336, 12050), (2410, 11680), (2920, 9640), (3650, 7712), (3856, 7300), (4672, 6025), (4820, 5840)]