25280990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 54895104

約数和(自身を除く): 29614114

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 43, 70, 74, 86, 185, 215, 227, 259, 301, 370, 430, 454, 518, 602, 1135, 1295, 1505, 1589, 1591, 2270, 2590, 3010, 3178, 3182, 7945, 7955, 8399, 9761, 11137, 15890, 15910, 16798, 19522, 22274, 41995, 48805, 55685, 58793, 68327, 83990, 97610, 111370, 117586, 136654, 293965, 341635, 361157, 587930, 683270, 722314, 1805785, 2528099, 3611570, 5056198, 12640495, 25280990]

約数ペア:

[(1, 25280990), (2, 12640495), (5, 5056198), (7, 3611570), (10, 2528099), (14, 1805785), (35, 722314), (37, 683270), (43, 587930), (70, 361157), (74, 341635), (86, 293965), (185, 136654), (215, 117586), (227, 111370), (259, 97610), (301, 83990), (370, 68327), (430, 58793), (454, 55685), (518, 48805), (602, 41995), (1135, 22274), (1295, 19522), (1505, 16798), (1589, 15910), (1591, 15890), (2270, 11137), (2590, 9761), (3010, 8399), (3178, 7955), (3182, 7945)]