200978440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{739}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 488577600

約数和(自身を除く): 287599160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 523, 739, 1046, 1478, 2092, 2615, 2956, 3695, 4184, 5230, 5912, 6799, 7390, 9607, 10460, 13598, 14780, 19214, 20920, 27196, 29560, 33995, 38428, 48035, 54392, 67990, 76856, 96070, 135980, 192140, 271960, 384280, 386497, 772994, 1545988, 1932485, 3091976, 3864970, 5024461, 7729940, 10048922, 15459880, 20097844, 25122305, 40195688, 50244610, 100489220, 200978440]

約数ペア:

[(1, 200978440), (2, 100489220), (4, 50244610), (5, 40195688), (8, 25122305), (10, 20097844), (13, 15459880), (20, 10048922), (26, 7729940), (40, 5024461), (52, 3864970), (65, 3091976), (104, 1932485), (130, 1545988), (260, 772994), (520, 386497), (523, 384280), (739, 271960), (1046, 192140), (1478, 135980), (2092, 96070), (2615, 76856), (2956, 67990), (3695, 54392), (4184, 48035), (5230, 38428), (5912, 33995), (6799, 29560), (7390, 27196), (9607, 20920), (10460, 19214), (13598, 14780)]