339067280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{69481}}^1$

素因数の和:69555

約数の個数: 40

約数和(自身を含む): 801266424

約数和(自身を除く): 462199144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 69481, 138962, 277924, 347405, 555848, 694810, 1111696, 1389620, 2779240, 4238341, 5558480, 8476682, 16953364, 21191705, 33906728, 42383410, 67813456, 84766820, 169533640, 339067280]

約数ペア:

[(1, 339067280), (2, 169533640), (4, 84766820), (5, 67813456), (8, 42383410), (10, 33906728), (16, 21191705), (20, 16953364), (40, 8476682), (61, 5558480), (80, 4238341), (122, 2779240), (244, 1389620), (305, 1111696), (488, 694810), (610, 555848), (976, 347405), (1220, 277924), (2440, 138962), (4880, 69481)]