868389990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 2299691520

約数和(自身を除く): 1431301530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 139, 166, 193, 195, 249, 278, 386, 390, 415, 417, 498, 579, 695, 830, 834, 965, 1079, 1158, 1245, 1390, 1807, 1930, 2085, 2158, 2490, 2509, 2895, 3237, 3614, 4170, 5018, 5395, 5421, 5790, 6474, 7527, 9035, 10790, 10842, 11537, 12545, 15054, 16019, 16185, 18070, 23074, 25090, 26827, 27105, 32038, 32370, 34611, 37635, 48057, 53654, 54210, 57685, 69222, 75270, 80095, 80481, 96114, 115370, 134135, 149981, 160190, 160962, 173055, 208247, 240285, 268270, 299962, 346110, 348751, 402405, 416494, 449943, 480570, 624741, 697502, 749905, 804810, 899886, 1041235, 1046253, 1249482, 1499810, 1743755, 2082470, 2092506, 2226641, 2249715, 3123705, 3487510, 4453282, 4499430, 5231265, 6247410, 6679923, 10462530, 11133205, 13359846, 22266410, 28946333, 33399615, 57892666, 66799230, 86838999, 144731665, 173677998, 289463330, 434194995, 868389990]

約数ペア:

[(1, 868389990), (2, 434194995), (3, 289463330), (5, 173677998), (6, 144731665), (10, 86838999), (13, 66799230), (15, 57892666), (26, 33399615), (30, 28946333), (39, 22266410), (65, 13359846), (78, 11133205), (83, 10462530), (130, 6679923), (139, 6247410), (166, 5231265), (193, 4499430), (195, 4453282), (249, 3487510), (278, 3123705), (386, 2249715), (390, 2226641), (415, 2092506), (417, 2082470), (498, 1743755), (579, 1499810), (695, 1249482), (830, 1046253), (834, 1041235), (965, 899886), (1079, 804810), (1158, 749905), (1245, 697502), (1390, 624741), (1807, 480570), (1930, 449943), (2085, 416494), (2158, 402405), (2490, 348751), (2509, 346110), (2895, 299962), (3237, 268270), (3614, 240285), (4170, 208247), (5018, 173055), (5395, 160962), (5421, 160190), (5790, 149981), (6474, 134135), (7527, 115370), (9035, 96114), (10790, 80481), (10842, 80095), (11537, 75270), (12545, 69222), (15054, 57685), (16019, 54210), (16185, 53654), (18070, 48057), (23074, 37635), (25090, 34611), (26827, 32370), (27105, 32038)]