619465220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1\times {\mathrm{2539}}^1$

素因数の和:3668

約数の個数: 48

約数和(自身を含む): 1420977600

約数和(自身を除く): 801512380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1109, 2218, 2539, 4436, 5078, 5545, 10156, 11090, 12199, 12695, 22180, 24398, 25390, 27929, 48796, 50780, 55858, 60995, 111716, 121990, 139645, 243980, 279290, 558580, 2815751, 5631502, 11263004, 14078755, 28157510, 30973261, 56315020, 61946522, 123893044, 154866305, 309732610, 619465220]

約数ペア:

[(1, 619465220), (2, 309732610), (4, 154866305), (5, 123893044), (10, 61946522), (11, 56315020), (20, 30973261), (22, 28157510), (44, 14078755), (55, 11263004), (110, 5631502), (220, 2815751), (1109, 558580), (2218, 279290), (2539, 243980), (4436, 139645), (5078, 121990), (5545, 111716), (10156, 60995), (11090, 55858), (12199, 50780), (12695, 48796), (22180, 27929), (24398, 25390)]