28014740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 40569580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 106, 107, 130, 190, 212, 214, 247, 260, 265, 380, 428, 494, 530, 535, 689, 988, 1007, 1060, 1070, 1235, 1378, 1391, 2014, 2033, 2140, 2470, 2756, 2782, 3445, 4028, 4066, 4940, 5035, 5564, 5671, 6890, 6955, 8132, 10070, 10165, 11342, 13091, 13780, 13910, 20140, 20330, 22684, 26182, 26429, 27820, 28355, 40660, 52364, 52858, 56710, 65455, 73723, 105716, 107749, 113420, 130910, 132145, 147446, 215498, 261820, 264290, 294892, 368615, 430996, 528580, 538745, 737230, 1077490, 1400737, 1474460, 2154980, 2801474, 5602948, 7003685, 14007370, 28014740]

約数ペア:

[(1, 28014740), (2, 14007370), (4, 7003685), (5, 5602948), (10, 2801474), (13, 2154980), (19, 1474460), (20, 1400737), (26, 1077490), (38, 737230), (52, 538745), (53, 528580), (65, 430996), (76, 368615), (95, 294892), (106, 264290), (107, 261820), (130, 215498), (190, 147446), (212, 132145), (214, 130910), (247, 113420), (260, 107749), (265, 105716), (380, 73723), (428, 65455), (494, 56710), (530, 52858), (535, 52364), (689, 40660), (988, 28355), (1007, 27820), (1060, 26429), (1070, 26182), (1235, 22684), (1378, 20330), (1391, 20140), (2014, 13910), (2033, 13780), (2140, 13091), (2470, 11342), (2756, 10165), (2782, 10070), (3445, 8132), (4028, 6955), (4066, 6890), (4940, 5671), (5035, 5564)]