249301530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 689990400

約数和(自身を除く): 440688870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 109, 129, 135, 197, 215, 218, 258, 270, 327, 387, 394, 430, 545, 591, 645, 654, 774, 981, 985, 1090, 1161, 1182, 1290, 1635, 1773, 1935, 1962, 1970, 2322, 2943, 2955, 3270, 3546, 3870, 4687, 4905, 5319, 5805, 5886, 5910, 8471, 8865, 9374, 9810, 10638, 11610, 14061, 14715, 16942, 17730, 21473, 23435, 25413, 26595, 28122, 29430, 42183, 42355, 42946, 46870, 50826, 53190, 64419, 70305, 76239, 84366, 84710, 107365, 126549, 127065, 128838, 140610, 152478, 193257, 210915, 214730, 228717, 253098, 254130, 322095, 381195, 386514, 421830, 457434, 579771, 632745, 644190, 762390, 923339, 966285, 1143585, 1159542, 1265490, 1846678, 1932570, 2287170, 2770017, 2898855, 4616695, 5540034, 5797710, 8310051, 9233390, 13850085, 16620102, 24930153, 27700170, 41550255, 49860306, 83100510, 124650765, 249301530]

約数ペア:

[(1, 249301530), (2, 124650765), (3, 83100510), (5, 49860306), (6, 41550255), (9, 27700170), (10, 24930153), (15, 16620102), (18, 13850085), (27, 9233390), (30, 8310051), (43, 5797710), (45, 5540034), (54, 4616695), (86, 2898855), (90, 2770017), (109, 2287170), (129, 1932570), (135, 1846678), (197, 1265490), (215, 1159542), (218, 1143585), (258, 966285), (270, 923339), (327, 762390), (387, 644190), (394, 632745), (430, 579771), (545, 457434), (591, 421830), (645, 386514), (654, 381195), (774, 322095), (981, 254130), (985, 253098), (1090, 228717), (1161, 214730), (1182, 210915), (1290, 193257), (1635, 152478), (1773, 140610), (1935, 128838), (1962, 127065), (1970, 126549), (2322, 107365), (2943, 84710), (2955, 84366), (3270, 76239), (3546, 70305), (3870, 64419), (4687, 53190), (4905, 50826), (5319, 46870), (5805, 42946), (5886, 42355), (5910, 42183), (8471, 29430), (8865, 28122), (9374, 26595), (9810, 25413), (10638, 23435), (11610, 21473), (14061, 17730), (14715, 16942)]