30111250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 80

約数和(自身を含む): 64947960

約数和(自身を除く): 34836710

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 109, 125, 130, 170, 218, 221, 250, 325, 425, 442, 545, 625, 650, 850, 1090, 1105, 1250, 1417, 1625, 1853, 2125, 2210, 2725, 2834, 3250, 3706, 4250, 5450, 5525, 7085, 8125, 9265, 10625, 11050, 13625, 14170, 16250, 18530, 21250, 24089, 27250, 27625, 35425, 46325, 48178, 55250, 68125, 70850, 92650, 120445, 136250, 138125, 177125, 231625, 240890, 276250, 354250, 463250, 602225, 885625, 1158125, 1204450, 1771250, 2316250, 3011125, 6022250, 15055625, 30111250]

約数ペア:

[(1, 30111250), (2, 15055625), (5, 6022250), (10, 3011125), (13, 2316250), (17, 1771250), (25, 1204450), (26, 1158125), (34, 885625), (50, 602225), (65, 463250), (85, 354250), (109, 276250), (125, 240890), (130, 231625), (170, 177125), (218, 138125), (221, 136250), (250, 120445), (325, 92650), (425, 70850), (442, 68125), (545, 55250), (625, 48178), (650, 46325), (850, 35425), (1090, 27625), (1105, 27250), (1250, 24089), (1417, 21250), (1625, 18530), (1853, 16250), (2125, 14170), (2210, 13625), (2725, 11050), (2834, 10625), (3250, 9265), (3706, 8125), (4250, 7085), (5450, 5525)]