388802240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71471}}^1$

素因数の和:71505

約数の個数: 56

約数和(自身を含む): 980309952

約数和(自身を除く): 591507712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 71471, 142942, 285884, 357355, 571768, 714710, 1143536, 1215007, 1429420, 2287072, 2430014, 2858840, 4574144, 4860028, 5717680, 6075035, 9720056, 11435360, 12150070, 19440112, 22870720, 24300140, 38880224, 48600280, 77760448, 97200560, 194401120, 388802240]

約数ペア:

[(1, 388802240), (2, 194401120), (4, 97200560), (5, 77760448), (8, 48600280), (10, 38880224), (16, 24300140), (17, 22870720), (20, 19440112), (32, 12150070), (34, 11435360), (40, 9720056), (64, 6075035), (68, 5717680), (80, 4860028), (85, 4574144), (136, 2858840), (160, 2430014), (170, 2287072), (272, 1429420), (320, 1215007), (340, 1143536), (544, 714710), (680, 571768), (1088, 357355), (1360, 285884), (2720, 142942), (5440, 71471)]