29280020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19013}}^1$

素因数の和:19040

約数の個数: 48

約数和(自身を含む): 76664448

約数和(自身を除く): 47384428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19013, 38026, 76052, 95065, 133091, 190130, 209143, 266182, 380260, 418286, 532364, 665455, 836572, 1045715, 1330910, 1464001, 2091430, 2661820, 2928002, 4182860, 5856004, 7320005, 14640010, 29280020]

約数ペア:

[(1, 29280020), (2, 14640010), (4, 7320005), (5, 5856004), (7, 4182860), (10, 2928002), (11, 2661820), (14, 2091430), (20, 1464001), (22, 1330910), (28, 1045715), (35, 836572), (44, 665455), (55, 532364), (70, 418286), (77, 380260), (110, 266182), (140, 209143), (154, 190130), (220, 133091), (308, 95065), (385, 76052), (770, 38026), (1540, 19013)]