158682550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 324722520

約数和(自身を除く): 166039970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 169, 178, 211, 325, 338, 422, 445, 650, 845, 890, 1055, 1157, 1690, 2110, 2225, 2314, 2743, 4225, 4450, 5275, 5486, 5785, 8450, 10550, 11570, 13715, 15041, 18779, 27430, 28925, 30082, 35659, 37558, 57850, 68575, 71318, 75205, 93895, 137150, 150410, 178295, 187790, 244127, 356590, 376025, 469475, 488254, 752050, 891475, 938950, 1220635, 1782950, 2441270, 3173651, 6103175, 6347302, 12206350, 15868255, 31736510, 79341275, 158682550]

約数ペア:

[(1, 158682550), (2, 79341275), (5, 31736510), (10, 15868255), (13, 12206350), (25, 6347302), (26, 6103175), (50, 3173651), (65, 2441270), (89, 1782950), (130, 1220635), (169, 938950), (178, 891475), (211, 752050), (325, 488254), (338, 469475), (422, 376025), (445, 356590), (650, 244127), (845, 187790), (890, 178295), (1055, 150410), (1157, 137150), (1690, 93895), (2110, 75205), (2225, 71318), (2314, 68575), (2743, 57850), (4225, 37558), (4450, 35659), (5275, 30082), (5486, 28925), (5785, 27430), (8450, 18779), (10550, 15041), (11570, 13715)]