254305870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 591123456

約数和(自身を除く): 336817586

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 67, 70, 86, 91, 97, 130, 134, 182, 194, 215, 301, 335, 430, 455, 469, 485, 559, 602, 670, 679, 871, 910, 938, 970, 1118, 1261, 1358, 1505, 1742, 2345, 2522, 2795, 2881, 3010, 3395, 3913, 4171, 4355, 4690, 5590, 5762, 6097, 6305, 6499, 6790, 7826, 8342, 8710, 8827, 12194, 12610, 12998, 14405, 17654, 19565, 20167, 20855, 28810, 29197, 30485, 32495, 37453, 39130, 40334, 41710, 44135, 45493, 54223, 58394, 60970, 64990, 74906, 84487, 88270, 90986, 100835, 108446, 145985, 168974, 187265, 201670, 227465, 262171, 271115, 279457, 291970, 374530, 379561, 422435, 454930, 524342, 542230, 558914, 591409, 759122, 844870, 1182818, 1310855, 1397285, 1897805, 1956199, 2621710, 2794570, 2957045, 3632941, 3795610, 3912398, 5914090, 7265882, 9780995, 18164705, 19561990, 25430587, 36329410, 50861174, 127152935, 254305870]

約数ペア:

[(1, 254305870), (2, 127152935), (5, 50861174), (7, 36329410), (10, 25430587), (13, 19561990), (14, 18164705), (26, 9780995), (35, 7265882), (43, 5914090), (65, 3912398), (67, 3795610), (70, 3632941), (86, 2957045), (91, 2794570), (97, 2621710), (130, 1956199), (134, 1897805), (182, 1397285), (194, 1310855), (215, 1182818), (301, 844870), (335, 759122), (430, 591409), (455, 558914), (469, 542230), (485, 524342), (559, 454930), (602, 422435), (670, 379561), (679, 374530), (871, 291970), (910, 279457), (938, 271115), (970, 262171), (1118, 227465), (1261, 201670), (1358, 187265), (1505, 168974), (1742, 145985), (2345, 108446), (2522, 100835), (2795, 90986), (2881, 88270), (3010, 84487), (3395, 74906), (3913, 64990), (4171, 60970), (4355, 58394), (4690, 54223), (5590, 45493), (5762, 44135), (6097, 41710), (6305, 40334), (6499, 39130), (6790, 37453), (7826, 32495), (8342, 30485), (8710, 29197), (8827, 28810), (12194, 20855), (12610, 20167), (12998, 19565), (14405, 17654)]