304899560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 813888000

約数和(自身を除く): 508988440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 313, 343, 355, 392, 490, 497, 568, 626, 686, 710, 980, 994, 1252, 1372, 1420, 1565, 1715, 1960, 1988, 2191, 2485, 2504, 2744, 2840, 3130, 3430, 3479, 3976, 4382, 4970, 6260, 6860, 6958, 8764, 9940, 10955, 12520, 13720, 13916, 15337, 17395, 17528, 19880, 21910, 22223, 24353, 27832, 30674, 34790, 43820, 44446, 48706, 61348, 69580, 76685, 87640, 88892, 97412, 107359, 111115, 121765, 122696, 139160, 153370, 155561, 177784, 194824, 214718, 222230, 243530, 306740, 311122, 429436, 444460, 487060, 536795, 613480, 622244, 777805, 858872, 888920, 974120, 1073590, 1088927, 1244488, 1555610, 2147180, 2177854, 3111220, 4294360, 4355708, 5444635, 6222440, 7622489, 8711416, 10889270, 15244978, 21778540, 30489956, 38112445, 43557080, 60979912, 76224890, 152449780, 304899560]

約数ペア:

[(1, 304899560), (2, 152449780), (4, 76224890), (5, 60979912), (7, 43557080), (8, 38112445), (10, 30489956), (14, 21778540), (20, 15244978), (28, 10889270), (35, 8711416), (40, 7622489), (49, 6222440), (56, 5444635), (70, 4355708), (71, 4294360), (98, 3111220), (140, 2177854), (142, 2147180), (196, 1555610), (245, 1244488), (280, 1088927), (284, 1073590), (313, 974120), (343, 888920), (355, 858872), (392, 777805), (490, 622244), (497, 613480), (568, 536795), (626, 487060), (686, 444460), (710, 429436), (980, 311122), (994, 306740), (1252, 243530), (1372, 222230), (1420, 214718), (1565, 194824), (1715, 177784), (1960, 155561), (1988, 153370), (2191, 139160), (2485, 122696), (2504, 121765), (2744, 111115), (2840, 107359), (3130, 97412), (3430, 88892), (3479, 87640), (3976, 76685), (4382, 69580), (4970, 61348), (6260, 48706), (6860, 44446), (6958, 43820), (8764, 34790), (9940, 30674), (10955, 27832), (12520, 24353), (13720, 22223), (13916, 21910), (15337, 19880), (17395, 17528)]