285695995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 120729605

約数列:

[1, 5, 13, 23, 41, 59, 65, 79, 115, 205, 295, 299, 395, 533, 767, 943, 1027, 1357, 1495, 1817, 2419, 2665, 3239, 3835, 4661, 4715, 5135, 6785, 9085, 12095, 12259, 16195, 17641, 23305, 23621, 31447, 42107, 55637, 60593, 61295, 74497, 88205, 107203, 118105, 157235, 191101, 210535, 278185, 302965, 372485, 536015, 723281, 955505, 968461, 1393639, 2484313, 3616405, 4395323, 4842305, 6968195, 12421565, 21976615, 57139199, 285695995]

約数ペア:

[(1, 285695995), (5, 57139199), (13, 21976615), (23, 12421565), (41, 6968195), (59, 4842305), (65, 4395323), (79, 3616405), (115, 2484313), (205, 1393639), (295, 968461), (299, 955505), (395, 723281), (533, 536015), (767, 372485), (943, 302965), (1027, 278185), (1357, 210535), (1495, 191101), (1817, 157235), (2419, 118105), (2665, 107203), (3239, 88205), (3835, 74497), (4661, 61295), (4715, 60593), (5135, 55637), (6785, 42107), (9085, 31447), (12095, 23621), (12259, 23305), (16195, 17641)]