1899686675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 2541132000

約数和(自身を除く): 641445325

約数列:

[1, 5, 17, 25, 85, 131, 149, 229, 425, 655, 745, 1145, 2227, 2533, 3275, 3725, 3893, 5725, 11135, 12665, 19465, 19519, 29999, 34121, 55675, 63325, 97325, 97595, 149995, 170605, 331823, 487975, 509983, 580057, 749975, 853025, 1659115, 2549915, 2900285, 4469851, 8295575, 12749575, 14501425, 22349255, 75987467, 111746275, 379937335, 1899686675]

約数ペア:

[(1, 1899686675), (5, 379937335), (17, 111746275), (25, 75987467), (85, 22349255), (131, 14501425), (149, 12749575), (229, 8295575), (425, 4469851), (655, 2900285), (745, 2549915), (1145, 1659115), (2227, 853025), (2533, 749975), (3275, 580057), (3725, 509983), (3893, 487975), (5725, 331823), (11135, 170605), (12665, 149995), (19465, 97595), (19519, 97325), (29999, 63325), (34121, 55675)]