2910204080

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 200

約数和(自身を含む): 8023184400

約数和(自身を除く): 5112980320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 109, 112, 139, 140, 196, 218, 245, 278, 280, 343, 392, 436, 490, 545, 556, 560, 686, 695, 763, 784, 872, 973, 980, 1090, 1112, 1372, 1390, 1526, 1715, 1744, 1946, 1960, 2180, 2224, 2401, 2744, 2780, 3052, 3430, 3815, 3892, 3920, 4360, 4802, 4865, 5341, 5488, 5560, 6104, 6811, 6860, 7630, 7784, 8720, 9604, 9730, 10682, 11120, 12005, 12208, 13622, 13720, 15151, 15260, 15568, 19208, 19460, 21364, 24010, 26705, 27244, 27440, 30302, 30520, 34055, 37387, 38416, 38920, 42728, 47677, 48020, 53410, 54488, 60604, 61040, 68110, 74774, 75755, 77840, 85456, 95354, 96040, 106057, 106820, 108976, 121208, 136220, 149548, 151510, 186935, 190708, 192080, 212114, 213640, 238385, 242416, 261709, 272440, 299096, 303020, 333739, 373870, 381416, 424228, 427280, 476770, 523418, 530285, 544880, 598192, 606040, 667478, 742399, 747740, 762832, 848456, 953540, 1046836, 1060570, 1212080, 1308545, 1334956, 1484798, 1495480, 1668695, 1696912, 1907080, 2093672, 2121140, 2617090, 2669912, 2969596, 2990960, 3337390, 3711995, 3814160, 4187344, 4242280, 5196793, 5234180, 5339824, 5939192, 6674780, 7423990, 8484560, 10393586, 10468360, 11878384, 13349560, 14847980, 20787172, 20936720, 25983965, 26699120, 29695960, 36377551, 41574344, 51967930, 59391920, 72755102, 83148688, 103935860, 145510204, 181887755, 207871720, 291020408, 363775510, 415743440, 582040816, 727551020, 1455102040, 2910204080]

約数ペア:

[(1, 2910204080), (2, 1455102040), (4, 727551020), (5, 582040816), (7, 415743440), (8, 363775510), (10, 291020408), (14, 207871720), (16, 181887755), (20, 145510204), (28, 103935860), (35, 83148688), (40, 72755102), (49, 59391920), (56, 51967930), (70, 41574344), (80, 36377551), (98, 29695960), (109, 26699120), (112, 25983965), (139, 20936720), (140, 20787172), (196, 14847980), (218, 13349560), (245, 11878384), (278, 10468360), (280, 10393586), (343, 8484560), (392, 7423990), (436, 6674780), (490, 5939192), (545, 5339824), (556, 5234180), (560, 5196793), (686, 4242280), (695, 4187344), (763, 3814160), (784, 3711995), (872, 3337390), (973, 2990960), (980, 2969596), (1090, 2669912), (1112, 2617090), (1372, 2121140), (1390, 2093672), (1526, 1907080), (1715, 1696912), (1744, 1668695), (1946, 1495480), (1960, 1484798), (2180, 1334956), (2224, 1308545), (2401, 1212080), (2744, 1060570), (2780, 1046836), (3052, 953540), (3430, 848456), (3815, 762832), (3892, 747740), (3920, 742399), (4360, 667478), (4802, 606040), (4865, 598192), (5341, 544880), (5488, 530285), (5560, 523418), (6104, 476770), (6811, 427280), (6860, 424228), (7630, 381416), (7784, 373870), (8720, 333739), (9604, 303020), (9730, 299096), (10682, 272440), (11120, 261709), (12005, 242416), (12208, 238385), (13622, 213640), (13720, 212114), (15151, 192080), (15260, 190708), (15568, 186935), (19208, 151510), (19460, 149548), (21364, 136220), (24010, 121208), (26705, 108976), (27244, 106820), (27440, 106057), (30302, 96040), (30520, 95354), (34055, 85456), (37387, 77840), (38416, 75755), (38920, 74774), (42728, 68110), (47677, 61040), (48020, 60604), (53410, 54488)]