738267640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 1868313600

約数和(自身を除く): 1130045960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 79, 88, 110, 134, 158, 220, 268, 316, 317, 335, 395, 440, 536, 632, 634, 670, 737, 790, 869, 1268, 1340, 1474, 1580, 1585, 1738, 2536, 2680, 2948, 3160, 3170, 3476, 3487, 3685, 4345, 5293, 5896, 6340, 6952, 6974, 7370, 8690, 10586, 12680, 13948, 14740, 17380, 17435, 21172, 21239, 25043, 26465, 27896, 29480, 34760, 34870, 42344, 42478, 50086, 52930, 58223, 69740, 84956, 100172, 105860, 106195, 116446, 125215, 139480, 169912, 200344, 211720, 212390, 232892, 233629, 250430, 275473, 291115, 424780, 465784, 467258, 500860, 550946, 582230, 849560, 934516, 1001720, 1101892, 1164460, 1168145, 1377365, 1677881, 1869032, 2203784, 2328920, 2336290, 2754730, 3355762, 4672580, 5509460, 6711524, 8389405, 9345160, 11018920, 13423048, 16778810, 18456691, 33557620, 36913382, 67115240, 73826764, 92283455, 147653528, 184566910, 369133820, 738267640]

約数ペア:

[(1, 738267640), (2, 369133820), (4, 184566910), (5, 147653528), (8, 92283455), (10, 73826764), (11, 67115240), (20, 36913382), (22, 33557620), (40, 18456691), (44, 16778810), (55, 13423048), (67, 11018920), (79, 9345160), (88, 8389405), (110, 6711524), (134, 5509460), (158, 4672580), (220, 3355762), (268, 2754730), (316, 2336290), (317, 2328920), (335, 2203784), (395, 1869032), (440, 1677881), (536, 1377365), (632, 1168145), (634, 1164460), (670, 1101892), (737, 1001720), (790, 934516), (869, 849560), (1268, 582230), (1340, 550946), (1474, 500860), (1580, 467258), (1585, 465784), (1738, 424780), (2536, 291115), (2680, 275473), (2948, 250430), (3160, 233629), (3170, 232892), (3476, 212390), (3487, 211720), (3685, 200344), (4345, 169912), (5293, 139480), (5896, 125215), (6340, 116446), (6952, 106195), (6974, 105860), (7370, 100172), (8690, 84956), (10586, 69740), (12680, 58223), (13948, 52930), (14740, 50086), (17380, 42478), (17435, 42344), (21172, 34870), (21239, 34760), (25043, 29480), (26465, 27896)]