219780452788

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{322859}}^1$

素因数の和:322961

約数の個数: 72

約数和(自身を含む): 446670352800

約数和(自身を除く): 226889900012

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 169, 212, 247, 338, 494, 676, 689, 988, 1007, 1378, 2014, 2756, 3211, 4028, 6422, 8957, 12844, 13091, 17914, 26182, 35828, 52364, 170183, 322859, 340366, 645718, 680732, 1291436, 4197167, 6134321, 8394334, 12268642, 16788668, 17111527, 24537284, 34223054, 54563171, 68446108, 79746173, 109126342, 159492346, 218252684, 222449851, 318984692, 325119013, 444899702, 650238026, 889799404, 1036700249, 1300476052, 2073400498, 2891848063, 4146800996, 4226547169, 5783696126, 8453094338, 11567392252, 16906188676, 54945113197, 109890226394, 219780452788]

約数ペア:

[(1, 219780452788), (2, 109890226394), (4, 54945113197), (13, 16906188676), (19, 11567392252), (26, 8453094338), (38, 5783696126), (52, 4226547169), (53, 4146800996), (76, 2891848063), (106, 2073400498), (169, 1300476052), (212, 1036700249), (247, 889799404), (338, 650238026), (494, 444899702), (676, 325119013), (689, 318984692), (988, 222449851), (1007, 218252684), (1378, 159492346), (2014, 109126342), (2756, 79746173), (3211, 68446108), (4028, 54563171), (6422, 34223054), (8957, 24537284), (12844, 17111527), (13091, 16788668), (17914, 12268642), (26182, 8394334), (35828, 6134321), (52364, 4197167), (170183, 1291436), (322859, 680732), (340366, 645718)]