388889688

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1297

約数の個数: 128

約数和(自身を含む): 1139339520

約数和(自身を除く): 750449832

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 73, 88, 102, 132, 136, 146, 187, 204, 219, 264, 292, 374, 408, 438, 561, 584, 748, 803, 876, 1122, 1187, 1241, 1496, 1606, 1752, 2244, 2374, 2409, 2482, 3212, 3561, 3723, 4488, 4748, 4818, 4964, 6424, 7122, 7446, 9496, 9636, 9928, 13057, 13651, 14244, 14892, 19272, 20179, 26114, 27302, 28488, 29784, 39171, 40358, 40953, 52228, 54604, 60537, 78342, 80716, 81906, 86651, 104456, 109208, 121074, 156684, 161432, 163812, 173302, 221969, 242148, 259953, 313368, 327624, 346604, 443938, 484296, 519906, 665907, 693208, 887876, 953161, 1039812, 1331814, 1473067, 1775752, 1906322, 2079624, 2663628, 2859483, 2946134, 3812644, 4419201, 5327256, 5718966, 5892268, 7625288, 8838402, 11437932, 11784536, 16203737, 17676804, 22875864, 32407474, 35353608, 48611211, 64814948, 97222422, 129629896, 194444844, 388889688]

約数ペア:

[(1, 388889688), (2, 194444844), (3, 129629896), (4, 97222422), (6, 64814948), (8, 48611211), (11, 35353608), (12, 32407474), (17, 22875864), (22, 17676804), (24, 16203737), (33, 11784536), (34, 11437932), (44, 8838402), (51, 7625288), (66, 5892268), (68, 5718966), (73, 5327256), (88, 4419201), (102, 3812644), (132, 2946134), (136, 2859483), (146, 2663628), (187, 2079624), (204, 1906322), (219, 1775752), (264, 1473067), (292, 1331814), (374, 1039812), (408, 953161), (438, 887876), (561, 693208), (584, 665907), (748, 519906), (803, 484296), (876, 443938), (1122, 346604), (1187, 327624), (1241, 313368), (1496, 259953), (1606, 242148), (1752, 221969), (2244, 173302), (2374, 163812), (2409, 161432), (2482, 156684), (3212, 121074), (3561, 109208), (3723, 104456), (4488, 86651), (4748, 81906), (4818, 80716), (4964, 78342), (6424, 60537), (7122, 54604), (7446, 52228), (9496, 40953), (9636, 40358), (9928, 39171), (13057, 29784), (13651, 28488), (14244, 27302), (14892, 26114), (19272, 20179)]