387898490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 886464000

約数和(自身を除く): 498565510

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 58, 70, 89, 95, 113, 133, 145, 178, 190, 203, 226, 266, 290, 406, 445, 551, 565, 623, 665, 791, 890, 1015, 1102, 1130, 1246, 1330, 1582, 1691, 2030, 2147, 2581, 2755, 3115, 3277, 3382, 3857, 3955, 4294, 5162, 5510, 6230, 6554, 7714, 7910, 8455, 10057, 10735, 11837, 12905, 15029, 16385, 16910, 18067, 19285, 20114, 21470, 22939, 23674, 25810, 30058, 32770, 36134, 38570, 45878, 49039, 50285, 59185, 62263, 70399, 75145, 90335, 98078, 100570, 114695, 118370, 124526, 140798, 150290, 180670, 191083, 229390, 245195, 291653, 311315, 343273, 351995, 382166, 435841, 490390, 583306, 622630, 686546, 703990, 871682, 955415, 1337581, 1458265, 1716365, 1910830, 2041571, 2179205, 2675162, 2916530, 3432730, 4083142, 4358410, 5541407, 6687905, 10207855, 11082814, 13375810, 20415710, 27707035, 38789849, 55414070, 77579698, 193949245, 387898490]

約数ペア:

[(1, 387898490), (2, 193949245), (5, 77579698), (7, 55414070), (10, 38789849), (14, 27707035), (19, 20415710), (29, 13375810), (35, 11082814), (38, 10207855), (58, 6687905), (70, 5541407), (89, 4358410), (95, 4083142), (113, 3432730), (133, 2916530), (145, 2675162), (178, 2179205), (190, 2041571), (203, 1910830), (226, 1716365), (266, 1458265), (290, 1337581), (406, 955415), (445, 871682), (551, 703990), (565, 686546), (623, 622630), (665, 583306), (791, 490390), (890, 435841), (1015, 382166), (1102, 351995), (1130, 343273), (1246, 311315), (1330, 291653), (1582, 245195), (1691, 229390), (2030, 191083), (2147, 180670), (2581, 150290), (2755, 140798), (3115, 124526), (3277, 118370), (3382, 114695), (3857, 100570), (3955, 98078), (4294, 90335), (5162, 75145), (5510, 70399), (6230, 62263), (6554, 59185), (7714, 50285), (7910, 49039), (8455, 45878), (10057, 38570), (10735, 36134), (11837, 32770), (12905, 30058), (15029, 25810), (16385, 23674), (16910, 22939), (18067, 21470), (19285, 20114)]