203428890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:473

約数の個数: 144

約数和(自身を含む): 621230688

約数和(自身を除く): 417801798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 163, 210, 245, 283, 294, 315, 326, 441, 489, 490, 566, 630, 735, 815, 849, 882, 978, 1141, 1415, 1467, 1470, 1630, 1698, 1981, 2205, 2282, 2445, 2547, 2830, 2934, 3423, 3962, 4245, 4410, 4890, 5094, 5705, 5943, 6846, 7335, 7987, 8490, 9905, 10269, 11410, 11886, 12735, 13867, 14670, 15974, 17115, 17829, 19810, 20538, 23961, 25470, 27734, 29715, 34230, 35658, 39935, 41601, 46129, 47922, 51345, 59430, 69335, 71883, 79870, 83202, 89145, 92258, 102690, 119805, 124803, 138387, 138670, 143766, 178290, 208005, 230645, 239610, 249606, 276774, 322903, 359415, 415161, 416010, 461290, 624015, 645806, 691935, 718830, 830322, 968709, 1248030, 1383870, 1614515, 1937418, 2075805, 2260321, 2906127, 3229030, 4151610, 4520642, 4843545, 5812254, 6780963, 9687090, 11301605, 13561926, 14530635, 20342889, 22603210, 29061270, 33904815, 40685778, 67809630, 101714445, 203428890]

約数ペア:

[(1, 203428890), (2, 101714445), (3, 67809630), (5, 40685778), (6, 33904815), (7, 29061270), (9, 22603210), (10, 20342889), (14, 14530635), (15, 13561926), (18, 11301605), (21, 9687090), (30, 6780963), (35, 5812254), (42, 4843545), (45, 4520642), (49, 4151610), (63, 3229030), (70, 2906127), (90, 2260321), (98, 2075805), (105, 1937418), (126, 1614515), (147, 1383870), (163, 1248030), (210, 968709), (245, 830322), (283, 718830), (294, 691935), (315, 645806), (326, 624015), (441, 461290), (489, 416010), (490, 415161), (566, 359415), (630, 322903), (735, 276774), (815, 249606), (849, 239610), (882, 230645), (978, 208005), (1141, 178290), (1415, 143766), (1467, 138670), (1470, 138387), (1630, 124803), (1698, 119805), (1981, 102690), (2205, 92258), (2282, 89145), (2445, 83202), (2547, 79870), (2830, 71883), (2934, 69335), (3423, 59430), (3962, 51345), (4245, 47922), (4410, 46129), (4890, 41601), (5094, 39935), (5705, 35658), (5943, 34230), (6846, 29715), (7335, 27734), (7987, 25470), (8490, 23961), (9905, 20538), (10269, 19810), (11410, 17829), (11886, 17115), (12735, 15974), (13867, 14670)]