1994092240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{72671}}^1$

素因数の和:72705

約数の個数: 80

約数和(自身を含む): 5406796800

約数和(自身を除く): 3412704560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 27440, 72671, 145342, 290684, 363355, 508697, 581368, 726710, 1017394, 1162736, 1453420, 2034788, 2543485, 2906840, 3560879, 4069576, 5086970, 5813680, 7121758, 8139152, 10173940, 14243516, 17804395, 20347880, 24926153, 28487032, 35608790, 40695760, 49852306, 56974064, 71217580, 99704612, 124630765, 142435160, 199409224, 249261530, 284870320, 398818448, 498523060, 997046120, 1994092240]

約数ペア:

[(1, 1994092240), (2, 997046120), (4, 498523060), (5, 398818448), (7, 284870320), (8, 249261530), (10, 199409224), (14, 142435160), (16, 124630765), (20, 99704612), (28, 71217580), (35, 56974064), (40, 49852306), (49, 40695760), (56, 35608790), (70, 28487032), (80, 24926153), (98, 20347880), (112, 17804395), (140, 14243516), (196, 10173940), (245, 8139152), (280, 7121758), (343, 5813680), (392, 5086970), (490, 4069576), (560, 3560879), (686, 2906840), (784, 2543485), (980, 2034788), (1372, 1453420), (1715, 1162736), (1960, 1017394), (2744, 726710), (3430, 581368), (3920, 508697), (5488, 363355), (6860, 290684), (13720, 145342), (27440, 72671)]