28914680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 69284160

約数和(自身を除く): 40369480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 593, 920, 1060, 1186, 1219, 2120, 2372, 2438, 2965, 4744, 4876, 5930, 6095, 9752, 11860, 12190, 13639, 23720, 24380, 27278, 31429, 48760, 54556, 62858, 68195, 109112, 125716, 136390, 157145, 251432, 272780, 314290, 545560, 628580, 722867, 1257160, 1445734, 2891468, 3614335, 5782936, 7228670, 14457340, 28914680]

約数ペア:

[(1, 28914680), (2, 14457340), (4, 7228670), (5, 5782936), (8, 3614335), (10, 2891468), (20, 1445734), (23, 1257160), (40, 722867), (46, 628580), (53, 545560), (92, 314290), (106, 272780), (115, 251432), (184, 157145), (212, 136390), (230, 125716), (265, 109112), (424, 68195), (460, 62858), (530, 54556), (593, 48760), (920, 31429), (1060, 27278), (1186, 24380), (1219, 23720), (2120, 13639), (2372, 12190), (2438, 11860), (2965, 9752), (4744, 6095), (4876, 5930)]