220277344

素因数分解:

$2^5\times 7^4\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 120

約数和(自身を含む): 525153888

約数和(自身を除く): 304876544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 61, 94, 98, 112, 122, 188, 196, 224, 244, 329, 343, 376, 392, 427, 488, 658, 686, 752, 784, 854, 976, 1316, 1372, 1504, 1568, 1708, 1952, 2303, 2401, 2632, 2744, 2867, 2989, 3416, 4606, 4802, 5264, 5488, 5734, 5978, 6832, 9212, 9604, 10528, 10976, 11468, 11956, 13664, 16121, 18424, 19208, 20069, 20923, 22936, 23912, 32242, 36848, 38416, 40138, 41846, 45872, 47824, 64484, 73696, 76832, 80276, 83692, 91744, 95648, 112847, 128968, 140483, 146461, 160552, 167384, 225694, 257936, 280966, 292922, 321104, 334768, 451388, 515872, 561932, 585844, 642208, 669536, 902776, 983381, 1123864, 1171688, 1805552, 1966762, 2247728, 2343376, 3611104, 3933524, 4495456, 4686752, 6883667, 7867048, 13767334, 15734096, 27534668, 31468192, 55069336, 110138672, 220277344]

約数ペア:

[(1, 220277344), (2, 110138672), (4, 55069336), (7, 31468192), (8, 27534668), (14, 15734096), (16, 13767334), (28, 7867048), (32, 6883667), (47, 4686752), (49, 4495456), (56, 3933524), (61, 3611104), (94, 2343376), (98, 2247728), (112, 1966762), (122, 1805552), (188, 1171688), (196, 1123864), (224, 983381), (244, 902776), (329, 669536), (343, 642208), (376, 585844), (392, 561932), (427, 515872), (488, 451388), (658, 334768), (686, 321104), (752, 292922), (784, 280966), (854, 257936), (976, 225694), (1316, 167384), (1372, 160552), (1504, 146461), (1568, 140483), (1708, 128968), (1952, 112847), (2303, 95648), (2401, 91744), (2632, 83692), (2744, 80276), (2867, 76832), (2989, 73696), (3416, 64484), (4606, 47824), (4802, 45872), (5264, 41846), (5488, 40138), (5734, 38416), (5978, 36848), (6832, 32242), (9212, 23912), (9604, 22936), (10528, 20923), (10976, 20069), (11468, 19208), (11956, 18424), (13664, 16121)]