1969719792990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1\times {\mathrm{424601}}^1$

素因数の和:425497

約数の個数: 64

約数和(自身を含む): 4754455418880

約数和(自身を除く): 2784735625890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 647, 717, 1195, 1294, 1434, 1941, 2390, 3235, 3585, 3882, 6470, 7170, 9705, 19410, 154633, 309266, 424601, 463899, 773165, 849202, 927798, 1273803, 1546330, 2123005, 2319495, 2547606, 4246010, 4638990, 6369015, 12738030, 101479639, 202959278, 274716847, 304438917, 507398195, 549433694, 608877834, 824150541, 1014796390, 1373584235, 1522194585, 1648301082, 2747168470, 3044389170, 4120752705, 8241505410, 65657326433, 131314652866, 196971979299, 328286632165, 393943958598, 656573264330, 984859896495, 1969719792990]

約数ペア:

[(1, 1969719792990), (2, 984859896495), (3, 656573264330), (5, 393943958598), (6, 328286632165), (10, 196971979299), (15, 131314652866), (30, 65657326433), (239, 8241505410), (478, 4120752705), (647, 3044389170), (717, 2747168470), (1195, 1648301082), (1294, 1522194585), (1434, 1373584235), (1941, 1014796390), (2390, 824150541), (3235, 608877834), (3585, 549433694), (3882, 507398195), (6470, 304438917), (7170, 274716847), (9705, 202959278), (19410, 101479639), (154633, 12738030), (309266, 6369015), (424601, 4638990), (463899, 4246010), (773165, 2547606), (849202, 2319495), (927798, 2123005), (1273803, 1546330)]