218711920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7369}}^1$

素因数の和:7442

約数の個数: 80

約数和(自身を含む): 592194240

約数和(自身を除く): 373482320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7369, 7420, 14738, 14840, 29476, 29680, 36845, 51583, 58952, 73690, 103166, 117904, 147380, 206332, 257915, 294760, 390557, 412664, 515830, 589520, 781114, 825328, 1031660, 1562228, 1952785, 2063320, 2733899, 3124456, 3905570, 4126640, 5467798, 6248912, 7811140, 10935596, 13669495, 15622280, 21871192, 27338990, 31244560, 43742384, 54677980, 109355960, 218711920]

約数ペア:

[(1, 218711920), (2, 109355960), (4, 54677980), (5, 43742384), (7, 31244560), (8, 27338990), (10, 21871192), (14, 15622280), (16, 13669495), (20, 10935596), (28, 7811140), (35, 6248912), (40, 5467798), (53, 4126640), (56, 3905570), (70, 3124456), (80, 2733899), (106, 2063320), (112, 1952785), (140, 1562228), (212, 1031660), (265, 825328), (280, 781114), (371, 589520), (424, 515830), (530, 412664), (560, 390557), (742, 294760), (848, 257915), (1060, 206332), (1484, 147380), (1855, 117904), (2120, 103166), (2968, 73690), (3710, 58952), (4240, 51583), (5936, 36845), (7369, 29680), (7420, 29476), (14738, 14840)]