51028900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2309}}^1$

素因数の和:2353

約数の個数: 72

約数和(自身を含む): 126320040

約数和(自身を除く): 75291140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 2309, 4420, 4618, 5525, 9236, 11050, 11545, 22100, 23090, 30017, 39253, 46180, 57725, 60034, 78506, 115450, 120068, 150085, 157012, 196265, 230900, 300170, 392530, 510289, 600340, 750425, 785060, 981325, 1020578, 1500850, 1962650, 2041156, 2551445, 3001700, 3925300, 5102890, 10205780, 12757225, 25514450, 51028900]

約数ペア:

[(1, 51028900), (2, 25514450), (4, 12757225), (5, 10205780), (10, 5102890), (13, 3925300), (17, 3001700), (20, 2551445), (25, 2041156), (26, 1962650), (34, 1500850), (50, 1020578), (52, 981325), (65, 785060), (68, 750425), (85, 600340), (100, 510289), (130, 392530), (170, 300170), (221, 230900), (260, 196265), (325, 157012), (340, 150085), (425, 120068), (442, 115450), (650, 78506), (850, 60034), (884, 57725), (1105, 46180), (1300, 39253), (1700, 30017), (2210, 23090), (2309, 22100), (4420, 11545), (4618, 11050), (5525, 9236)]