31205200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:401

約数の個数: 120

約数和(自身を含む): 85728888

約数和(自身を除く): 54523688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 260, 272, 325, 340, 353, 400, 425, 442, 520, 650, 680, 706, 850, 884, 1040, 1105, 1300, 1360, 1412, 1700, 1765, 1768, 2210, 2600, 2824, 3400, 3530, 3536, 4420, 4589, 5200, 5525, 5648, 6001, 6800, 7060, 8825, 8840, 9178, 11050, 12002, 14120, 17650, 17680, 18356, 22100, 22945, 24004, 28240, 30005, 35300, 36712, 44200, 45890, 48008, 60010, 70600, 73424, 78013, 88400, 91780, 96016, 114725, 120020, 141200, 150025, 156026, 183560, 229450, 240040, 300050, 312052, 367120, 390065, 458900, 480080, 600100, 624104, 780130, 917800, 1200200, 1248208, 1560260, 1835600, 1950325, 2400400, 3120520, 3900650, 6241040, 7801300, 15602600, 31205200]

約数ペア:

[(1, 31205200), (2, 15602600), (4, 7801300), (5, 6241040), (8, 3900650), (10, 3120520), (13, 2400400), (16, 1950325), (17, 1835600), (20, 1560260), (25, 1248208), (26, 1200200), (34, 917800), (40, 780130), (50, 624104), (52, 600100), (65, 480080), (68, 458900), (80, 390065), (85, 367120), (100, 312052), (104, 300050), (130, 240040), (136, 229450), (170, 183560), (200, 156026), (208, 150025), (221, 141200), (260, 120020), (272, 114725), (325, 96016), (340, 91780), (353, 88400), (400, 78013), (425, 73424), (442, 70600), (520, 60010), (650, 48008), (680, 45890), (706, 44200), (850, 36712), (884, 35300), (1040, 30005), (1105, 28240), (1300, 24004), (1360, 22945), (1412, 22100), (1700, 18356), (1765, 17680), (1768, 17650), (2210, 14120), (2600, 12002), (2824, 11050), (3400, 9178), (3530, 8840), (3536, 8825), (4420, 7060), (4589, 6800), (5200, 6001), (5525, 5648)]