253988680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 635798520

約数和(自身を除く): 381809840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 121, 194, 220, 242, 388, 440, 484, 485, 541, 605, 776, 968, 970, 1067, 1082, 1210, 1940, 2134, 2164, 2420, 2705, 3880, 4268, 4328, 4840, 5335, 5410, 5951, 8536, 10670, 10820, 11737, 11902, 21340, 21640, 23474, 23804, 29755, 42680, 46948, 47608, 52477, 58685, 59510, 65461, 93896, 104954, 117370, 119020, 130922, 209908, 234740, 238040, 261844, 262385, 327305, 419816, 469480, 523688, 524770, 577247, 654610, 1049540, 1154494, 1309220, 2099080, 2308988, 2618440, 2886235, 4617976, 5772470, 6349717, 11544940, 12699434, 23089880, 25398868, 31748585, 50797736, 63497170, 126994340, 253988680]

約数ペア:

[(1, 253988680), (2, 126994340), (4, 63497170), (5, 50797736), (8, 31748585), (10, 25398868), (11, 23089880), (20, 12699434), (22, 11544940), (40, 6349717), (44, 5772470), (55, 4617976), (88, 2886235), (97, 2618440), (110, 2308988), (121, 2099080), (194, 1309220), (220, 1154494), (242, 1049540), (388, 654610), (440, 577247), (484, 524770), (485, 523688), (541, 469480), (605, 419816), (776, 327305), (968, 262385), (970, 261844), (1067, 238040), (1082, 234740), (1210, 209908), (1940, 130922), (2134, 119020), (2164, 117370), (2420, 104954), (2705, 93896), (3880, 65461), (4268, 59510), (4328, 58685), (4840, 52477), (5335, 47608), (5410, 46948), (5951, 42680), (8536, 29755), (10670, 23804), (10820, 23474), (11737, 21640), (11902, 21340)]