1988103656

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 4964198400

約数和(自身を除く): 2976094744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 107, 124, 139, 154, 196, 214, 217, 248, 278, 308, 341, 392, 428, 434, 539, 556, 616, 682, 749, 856, 868, 973, 1078, 1112, 1177, 1364, 1498, 1519, 1529, 1736, 1946, 2156, 2354, 2387, 2728, 2996, 3038, 3058, 3317, 3892, 4309, 4312, 4708, 4774, 5243, 5992, 6076, 6116, 6634, 6811, 7784, 8239, 8618, 9416, 9548, 10486, 10703, 12152, 12232, 13268, 13622, 14873, 16478, 16709, 17236, 19096, 20972, 21406, 23219, 26536, 27244, 29746, 30163, 32956, 33418, 34472, 36487, 41944, 42812, 46438, 47399, 54488, 57673, 59492, 60326, 65912, 66836, 72974, 74921, 85624, 92876, 94798, 104111, 115346, 118984, 120652, 133672, 145948, 149842, 162533, 163603, 185752, 189596, 208222, 211141, 230692, 241304, 255409, 291896, 299684, 325066, 327206, 331793, 379192, 416444, 422282, 461063, 461384, 510818, 599368, 650132, 654412, 663586, 728777, 832888, 844564, 922126, 1021636, 1145221, 1300264, 1308824, 1327172, 1457554, 1689128, 1787863, 1844252, 2043272, 2290442, 2322551, 2654344, 2915108, 3227441, 3575726, 3688504, 4580884, 4645102, 5071693, 5830216, 6454882, 7151452, 8016547, 9161768, 9290204, 10143386, 12909764, 14302904, 16033094, 18580408, 20286772, 22592087, 25819528, 32066188, 35501851, 40573544, 45184174, 64132376, 71003702, 90368348, 142007404, 180736696, 248512957, 284014808, 497025914, 994051828, 1988103656]

約数ペア:

[(1, 1988103656), (2, 994051828), (4, 497025914), (7, 284014808), (8, 248512957), (11, 180736696), (14, 142007404), (22, 90368348), (28, 71003702), (31, 64132376), (44, 45184174), (49, 40573544), (56, 35501851), (62, 32066188), (77, 25819528), (88, 22592087), (98, 20286772), (107, 18580408), (124, 16033094), (139, 14302904), (154, 12909764), (196, 10143386), (214, 9290204), (217, 9161768), (248, 8016547), (278, 7151452), (308, 6454882), (341, 5830216), (392, 5071693), (428, 4645102), (434, 4580884), (539, 3688504), (556, 3575726), (616, 3227441), (682, 2915108), (749, 2654344), (856, 2322551), (868, 2290442), (973, 2043272), (1078, 1844252), (1112, 1787863), (1177, 1689128), (1364, 1457554), (1498, 1327172), (1519, 1308824), (1529, 1300264), (1736, 1145221), (1946, 1021636), (2156, 922126), (2354, 844564), (2387, 832888), (2728, 728777), (2996, 663586), (3038, 654412), (3058, 650132), (3317, 599368), (3892, 510818), (4309, 461384), (4312, 461063), (4708, 422282), (4774, 416444), (5243, 379192), (5992, 331793), (6076, 327206), (6116, 325066), (6634, 299684), (6811, 291896), (7784, 255409), (8239, 241304), (8618, 230692), (9416, 211141), (9548, 208222), (10486, 189596), (10703, 185752), (12152, 163603), (12232, 162533), (13268, 149842), (13622, 145948), (14873, 133672), (16478, 120652), (16709, 118984), (17236, 115346), (19096, 104111), (20972, 94798), (21406, 92876), (23219, 85624), (26536, 74921), (27244, 72974), (29746, 66836), (30163, 65912), (32956, 60326), (33418, 59492), (34472, 57673), (36487, 54488), (41944, 47399), (42812, 46438)]