225281420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17683}}^1$

素因数の和:17719

約数の個数: 72

約数和(自身を含む): 592696944

約数和(自身を除く): 367415524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 17683, 35366, 70732, 88415, 123781, 176830, 229879, 247562, 353660, 459758, 495124, 618905, 866467, 919516, 1149395, 1237810, 1609153, 1732934, 2298790, 2475620, 3218306, 3465868, 4332335, 4597580, 6436612, 8045765, 8664670, 11264071, 16091530, 17329340, 22528142, 32183060, 45056284, 56320355, 112640710, 225281420]

約数ペア:

[(1, 225281420), (2, 112640710), (4, 56320355), (5, 45056284), (7, 32183060), (10, 22528142), (13, 17329340), (14, 16091530), (20, 11264071), (26, 8664670), (28, 8045765), (35, 6436612), (49, 4597580), (52, 4332335), (65, 3465868), (70, 3218306), (91, 2475620), (98, 2298790), (130, 1732934), (140, 1609153), (182, 1237810), (196, 1149395), (245, 919516), (260, 866467), (364, 618905), (455, 495124), (490, 459758), (637, 353660), (910, 247562), (980, 229879), (1274, 176830), (1820, 123781), (2548, 88415), (3185, 70732), (6370, 35366), (12740, 17683)]