28735070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 72

約数和(自身を含む): 65339784

約数和(自身を除く): 36604714

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 338, 347, 455, 490, 637, 694, 845, 910, 1183, 1274, 1690, 1735, 2366, 2429, 3185, 3470, 4511, 4858, 5915, 6370, 8281, 9022, 11830, 12145, 16562, 17003, 22555, 24290, 31577, 34006, 41405, 45110, 58643, 63154, 82810, 85015, 117286, 157885, 170030, 221039, 293215, 315770, 410501, 442078, 586430, 821002, 1105195, 2052505, 2210390, 2873507, 4105010, 5747014, 14367535, 28735070]

約数ペア:

[(1, 28735070), (2, 14367535), (5, 5747014), (7, 4105010), (10, 2873507), (13, 2210390), (14, 2052505), (26, 1105195), (35, 821002), (49, 586430), (65, 442078), (70, 410501), (91, 315770), (98, 293215), (130, 221039), (169, 170030), (182, 157885), (245, 117286), (338, 85015), (347, 82810), (455, 63154), (490, 58643), (637, 45110), (694, 41405), (845, 34006), (910, 31577), (1183, 24290), (1274, 22555), (1690, 17003), (1735, 16562), (2366, 12145), (2429, 11830), (3185, 9022), (3470, 8281), (4511, 6370), (4858, 5915)]