388616960

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4159}}^1$

素因数の和:4253

約数の個数: 72

約数和(自身を含む): 943837440

約数和(自身を除く): 555220480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 1168, 1280, 1460, 2336, 2920, 4159, 4672, 5840, 8318, 9344, 11680, 16636, 18688, 20795, 23360, 33272, 41590, 46720, 66544, 83180, 93440, 133088, 166360, 266176, 303607, 332720, 532352, 607214, 665440, 1064704, 1214428, 1330880, 1518035, 2428856, 2661760, 3036070, 4857712, 5323520, 6072140, 9715424, 12144280, 19430848, 24288560, 38861696, 48577120, 77723392, 97154240, 194308480, 388616960]

約数ペア:

[(1, 388616960), (2, 194308480), (4, 97154240), (5, 77723392), (8, 48577120), (10, 38861696), (16, 24288560), (20, 19430848), (32, 12144280), (40, 9715424), (64, 6072140), (73, 5323520), (80, 4857712), (128, 3036070), (146, 2661760), (160, 2428856), (256, 1518035), (292, 1330880), (320, 1214428), (365, 1064704), (584, 665440), (640, 607214), (730, 532352), (1168, 332720), (1280, 303607), (1460, 266176), (2336, 166360), (2920, 133088), (4159, 93440), (4672, 83180), (5840, 66544), (8318, 46720), (9344, 41590), (11680, 33272), (16636, 23360), (18688, 20795)]