400400208

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{16453}}^1$

素因数の和:16493

約数の個数: 90

約数和(自身を含む): 1213466046

約数和(自身を除く): 813065838

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 936, 1014, 1352, 1521, 1872, 2028, 2704, 3042, 4056, 6084, 8112, 12168, 16453, 24336, 32906, 49359, 65812, 98718, 131624, 148077, 197436, 213889, 263248, 296154, 394872, 427778, 592308, 641667, 789744, 855556, 1184616, 1283334, 1711112, 1925001, 2369232, 2566668, 2780557, 3422224, 3850002, 5133336, 5561114, 7700004, 8341671, 10266672, 11122228, 15400008, 16683342, 22244456, 25025013, 30800016, 33366684, 44488912, 50050026, 66733368, 100100052, 133466736, 200200104, 400400208]

約数ペア:

[(1, 400400208), (2, 200200104), (3, 133466736), (4, 100100052), (6, 66733368), (8, 50050026), (9, 44488912), (12, 33366684), (13, 30800016), (16, 25025013), (18, 22244456), (24, 16683342), (26, 15400008), (36, 11122228), (39, 10266672), (48, 8341671), (52, 7700004), (72, 5561114), (78, 5133336), (104, 3850002), (117, 3422224), (144, 2780557), (156, 2566668), (169, 2369232), (208, 1925001), (234, 1711112), (312, 1283334), (338, 1184616), (468, 855556), (507, 789744), (624, 641667), (676, 592308), (936, 427778), (1014, 394872), (1352, 296154), (1521, 263248), (1872, 213889), (2028, 197436), (2704, 148077), (3042, 131624), (4056, 98718), (6084, 65812), (8112, 49359), (12168, 32906), (16453, 24336)]