28528022380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{6619}}^1$

素因数の和:6800

約数の個数: 144

約数和(自身を含む): 71444046240

約数和(自身を除く): 42916023860

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 137, 143, 220, 242, 260, 274, 286, 484, 548, 572, 605, 685, 715, 1210, 1370, 1430, 1507, 1573, 1781, 2420, 2740, 2860, 3014, 3146, 3562, 6028, 6292, 6619, 7124, 7535, 7865, 8905, 13238, 15070, 15730, 16577, 17810, 19591, 26476, 30140, 31460, 33095, 33154, 35620, 39182, 66190, 66308, 72809, 78364, 82885, 86047, 97955, 132380, 145618, 165770, 172094, 195910, 215501, 291236, 331540, 344188, 364045, 391820, 430235, 431002, 728090, 800899, 860470, 862004, 906803, 946517, 1077505, 1456180, 1601798, 1720940, 1813606, 1893034, 2155010, 3203596, 3627212, 3786068, 4004495, 4310020, 4534015, 4732585, 8008990, 9068030, 9465170, 9974833, 10411687, 11788439, 16017980, 18136060, 18930340, 19949666, 20823374, 23576878, 39899332, 41646748, 47153756, 49874165, 52058435, 58942195, 99748330, 104116870, 109723163, 117884390, 129672829, 199496660, 208233740, 219446326, 235768780, 259345658, 438892652, 518691316, 548615815, 648364145, 1097231630, 1296728290, 1426401119, 2194463260, 2593456580, 2852802238, 5705604476, 7132005595, 14264011190, 28528022380]

約数ペア:

[(1, 28528022380), (2, 14264011190), (4, 7132005595), (5, 5705604476), (10, 2852802238), (11, 2593456580), (13, 2194463260), (20, 1426401119), (22, 1296728290), (26, 1097231630), (44, 648364145), (52, 548615815), (55, 518691316), (65, 438892652), (110, 259345658), (121, 235768780), (130, 219446326), (137, 208233740), (143, 199496660), (220, 129672829), (242, 117884390), (260, 109723163), (274, 104116870), (286, 99748330), (484, 58942195), (548, 52058435), (572, 49874165), (605, 47153756), (685, 41646748), (715, 39899332), (1210, 23576878), (1370, 20823374), (1430, 19949666), (1507, 18930340), (1573, 18136060), (1781, 16017980), (2420, 11788439), (2740, 10411687), (2860, 9974833), (3014, 9465170), (3146, 9068030), (3562, 8008990), (6028, 4732585), (6292, 4534015), (6619, 4310020), (7124, 4004495), (7535, 3786068), (7865, 3627212), (8905, 3203596), (13238, 2155010), (15070, 1893034), (15730, 1813606), (16577, 1720940), (17810, 1601798), (19591, 1456180), (26476, 1077505), (30140, 946517), (31460, 906803), (33095, 862004), (33154, 860470), (35620, 800899), (39182, 728090), (66190, 431002), (66308, 430235), (72809, 391820), (78364, 364045), (82885, 344188), (86047, 331540), (97955, 291236), (132380, 215501), (145618, 195910), (165770, 172094)]