290421880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 192

約数和(自身を含む): 823152960

約数和(自身を除く): 532731080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 97, 119, 136, 140, 148, 170, 185, 194, 238, 259, 280, 289, 296, 340, 370, 388, 476, 485, 518, 578, 595, 629, 679, 680, 740, 776, 952, 970, 1036, 1156, 1190, 1258, 1295, 1358, 1445, 1480, 1649, 1940, 2023, 2072, 2312, 2380, 2516, 2590, 2716, 2890, 3145, 3298, 3395, 3589, 3880, 4046, 4403, 4760, 5032, 5180, 5432, 5780, 6290, 6596, 6790, 7178, 8092, 8245, 8806, 10115, 10360, 10693, 11543, 11560, 12580, 13192, 13580, 14356, 16184, 16490, 17612, 17945, 20230, 21386, 22015, 23086, 25123, 25160, 27160, 28033, 28712, 32980, 35224, 35890, 40460, 42772, 44030, 46172, 50246, 53465, 56066, 57715, 61013, 65960, 71780, 74851, 80920, 85544, 88060, 92344, 100492, 106930, 112132, 115430, 122026, 125615, 140165, 143560, 149702, 176120, 196231, 200984, 213860, 224264, 230860, 244052, 251230, 280330, 299404, 305065, 374255, 392462, 427091, 427720, 461720, 488104, 502460, 560660, 598808, 610130, 748510, 784924, 854182, 981155, 1004920, 1037221, 1121320, 1220260, 1497020, 1569848, 1708364, 1962310, 2074442, 2135455, 2440520, 2994040, 3416728, 3924620, 4148884, 4270910, 5186105, 7260547, 7849240, 8297768, 8541820, 10372210, 14521094, 17083640, 20744420, 29042188, 36302735, 41488840, 58084376, 72605470, 145210940, 290421880]

約数ペア:

[(1, 290421880), (2, 145210940), (4, 72605470), (5, 58084376), (7, 41488840), (8, 36302735), (10, 29042188), (14, 20744420), (17, 17083640), (20, 14521094), (28, 10372210), (34, 8541820), (35, 8297768), (37, 7849240), (40, 7260547), (56, 5186105), (68, 4270910), (70, 4148884), (74, 3924620), (85, 3416728), (97, 2994040), (119, 2440520), (136, 2135455), (140, 2074442), (148, 1962310), (170, 1708364), (185, 1569848), (194, 1497020), (238, 1220260), (259, 1121320), (280, 1037221), (289, 1004920), (296, 981155), (340, 854182), (370, 784924), (388, 748510), (476, 610130), (485, 598808), (518, 560660), (578, 502460), (595, 488104), (629, 461720), (679, 427720), (680, 427091), (740, 392462), (776, 374255), (952, 305065), (970, 299404), (1036, 280330), (1156, 251230), (1190, 244052), (1258, 230860), (1295, 224264), (1358, 213860), (1445, 200984), (1480, 196231), (1649, 176120), (1940, 149702), (2023, 143560), (2072, 140165), (2312, 125615), (2380, 122026), (2516, 115430), (2590, 112132), (2716, 106930), (2890, 100492), (3145, 92344), (3298, 88060), (3395, 85544), (3589, 80920), (3880, 74851), (4046, 71780), (4403, 65960), (4760, 61013), (5032, 57715), (5180, 56066), (5432, 53465), (5780, 50246), (6290, 46172), (6596, 44030), (6790, 42772), (7178, 40460), (8092, 35890), (8245, 35224), (8806, 32980), (10115, 28712), (10360, 28033), (10693, 27160), (11543, 25160), (11560, 25123), (12580, 23086), (13192, 22015), (13580, 21386), (14356, 20230), (16184, 17945), (16490, 17612)]