389576320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{86959}}^1$

素因数の和:86985

約数の個数: 64

約数和(自身を含む): 1064390400

約数和(自身を除く): 674814080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 86959, 173918, 347836, 434795, 608713, 695672, 869590, 1217426, 1391344, 1739180, 2434852, 2782688, 3043565, 3478360, 4869704, 5565376, 6087130, 6956720, 9739408, 11130752, 12174260, 13913440, 19478816, 24348520, 27826880, 38957632, 48697040, 55653760, 77915264, 97394080, 194788160, 389576320]

約数ペア:

[(1, 389576320), (2, 194788160), (4, 97394080), (5, 77915264), (7, 55653760), (8, 48697040), (10, 38957632), (14, 27826880), (16, 24348520), (20, 19478816), (28, 13913440), (32, 12174260), (35, 11130752), (40, 9739408), (56, 6956720), (64, 6087130), (70, 5565376), (80, 4869704), (112, 3478360), (128, 3043565), (140, 2782688), (160, 2434852), (224, 1739180), (280, 1391344), (320, 1217426), (448, 869590), (560, 695672), (640, 608713), (896, 434795), (1120, 347836), (2240, 173918), (4480, 86959)]