445246725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 952050176

約数和(自身を除く): 506803451

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 43, 55, 75, 77, 105, 121, 129, 163, 165, 175, 215, 231, 275, 301, 363, 385, 473, 489, 525, 605, 645, 815, 825, 847, 903, 1075, 1141, 1155, 1419, 1505, 1793, 1815, 1925, 2365, 2445, 2541, 3025, 3225, 3311, 3423, 4075, 4235, 4515, 5203, 5379, 5705, 5775, 7009, 7095, 7525, 8965, 9075, 9933, 11825, 12225, 12551, 12705, 15609, 16555, 17115, 19723, 21027, 21175, 22575, 26015, 26895, 28525, 35045, 35475, 36421, 37653, 44825, 49063, 49665, 59169, 62755, 63525, 77099, 78045, 82775, 85575, 98615, 105135, 109263, 130075, 134475, 138061, 147189, 175225, 182105, 188265, 231297, 245315, 248325, 295845, 313775, 385495, 390225, 414183, 493075, 525675, 539693, 546315, 690305, 735945, 848089, 910525, 941325, 1156485, 1226575, 1479225, 1619079, 1927475, 2070915, 2544267, 2698465, 2731575, 3451525, 3679725, 4240445, 5782425, 5936623, 8095395, 10354575, 12721335, 13492325, 17809869, 21202225, 29683115, 40476975, 63606675, 89049345, 148415575, 445246725]

約数ペア:

[(1, 445246725), (3, 148415575), (5, 89049345), (7, 63606675), (11, 40476975), (15, 29683115), (21, 21202225), (25, 17809869), (33, 13492325), (35, 12721335), (43, 10354575), (55, 8095395), (75, 5936623), (77, 5782425), (105, 4240445), (121, 3679725), (129, 3451525), (163, 2731575), (165, 2698465), (175, 2544267), (215, 2070915), (231, 1927475), (275, 1619079), (301, 1479225), (363, 1226575), (385, 1156485), (473, 941325), (489, 910525), (525, 848089), (605, 735945), (645, 690305), (815, 546315), (825, 539693), (847, 525675), (903, 493075), (1075, 414183), (1141, 390225), (1155, 385495), (1419, 313775), (1505, 295845), (1793, 248325), (1815, 245315), (1925, 231297), (2365, 188265), (2445, 182105), (2541, 175225), (3025, 147189), (3225, 138061), (3311, 134475), (3423, 130075), (4075, 109263), (4235, 105135), (4515, 98615), (5203, 85575), (5379, 82775), (5705, 78045), (5775, 77099), (7009, 63525), (7095, 62755), (7525, 59169), (8965, 49665), (9075, 49063), (9933, 44825), (11825, 37653), (12225, 36421), (12551, 35475), (12705, 35045), (15609, 28525), (16555, 26895), (17115, 26015), (19723, 22575), (21027, 21175)]