199985920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6793}}^1$

素因数の和:6837

約数の個数: 72

約数和(自身を含む): 499929696

約数和(自身を除く): 299943776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 6793, 7360, 13586, 14720, 27172, 29440, 33965, 54344, 67930, 108688, 135860, 156239, 217376, 271720, 312478, 434752, 543440, 624956, 781195, 869504, 1086880, 1249912, 1562390, 1739008, 2173760, 2499824, 3124780, 4347520, 4999648, 6249560, 8695040, 9999296, 12499120, 19998592, 24998240, 39997184, 49996480, 99992960, 199985920]

約数ペア:

[(1, 199985920), (2, 99992960), (4, 49996480), (5, 39997184), (8, 24998240), (10, 19998592), (16, 12499120), (20, 9999296), (23, 8695040), (32, 6249560), (40, 4999648), (46, 4347520), (64, 3124780), (80, 2499824), (92, 2173760), (115, 1739008), (128, 1562390), (160, 1249912), (184, 1086880), (230, 869504), (256, 781195), (320, 624956), (368, 543440), (460, 434752), (640, 312478), (736, 271720), (920, 217376), (1280, 156239), (1472, 135860), (1840, 108688), (2944, 67930), (3680, 54344), (5888, 33965), (6793, 29440), (7360, 27172), (13586, 14720)]