348539780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 794683008

約数和(自身を除く): 446143228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 289, 340, 470, 578, 799, 940, 1156, 1283, 1445, 1598, 2566, 2890, 3196, 3995, 5132, 5780, 6415, 7990, 12830, 13583, 15980, 21811, 25660, 27166, 43622, 54332, 60301, 67915, 87244, 109055, 120602, 135830, 218110, 241204, 271660, 301505, 370787, 436220, 603010, 741574, 1025117, 1206020, 1483148, 1853935, 2050234, 3707870, 4100468, 5125585, 7415740, 10251170, 17426989, 20502340, 34853978, 69707956, 87134945, 174269890, 348539780]

約数ペア:

[(1, 348539780), (2, 174269890), (4, 87134945), (5, 69707956), (10, 34853978), (17, 20502340), (20, 17426989), (34, 10251170), (47, 7415740), (68, 5125585), (85, 4100468), (94, 3707870), (170, 2050234), (188, 1853935), (235, 1483148), (289, 1206020), (340, 1025117), (470, 741574), (578, 603010), (799, 436220), (940, 370787), (1156, 301505), (1283, 271660), (1445, 241204), (1598, 218110), (2566, 135830), (2890, 120602), (3196, 109055), (3995, 87244), (5132, 67915), (5780, 60301), (6415, 54332), (7990, 43622), (12830, 27166), (13583, 25660), (15980, 21811)]