508565590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2141

約数の個数: 64

約数和(自身を含む): 1048320000

約数和(自身を除く): 539754410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 103, 130, 190, 206, 247, 494, 515, 1030, 1235, 1339, 1957, 1999, 2470, 2678, 3914, 3998, 6695, 9785, 9995, 13390, 19570, 19990, 25441, 25987, 37981, 50882, 51974, 75962, 127205, 129935, 189905, 205897, 254410, 259870, 379810, 411794, 493753, 987506, 1029485, 2058970, 2468765, 2676661, 3912043, 4937530, 5353322, 7824086, 13383305, 19560215, 26766610, 39120430, 50856559, 101713118, 254282795, 508565590]

約数ペア:

[(1, 508565590), (2, 254282795), (5, 101713118), (10, 50856559), (13, 39120430), (19, 26766610), (26, 19560215), (38, 13383305), (65, 7824086), (95, 5353322), (103, 4937530), (130, 3912043), (190, 2676661), (206, 2468765), (247, 2058970), (494, 1029485), (515, 987506), (1030, 493753), (1235, 411794), (1339, 379810), (1957, 259870), (1999, 254410), (2470, 205897), (2678, 189905), (3914, 129935), (3998, 127205), (6695, 75962), (9785, 51974), (9995, 50882), (13390, 37981), (19570, 25987), (19990, 25441)]