284870320

素因数分解:

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

素因数の和:72698

約数の個数: 60

約数和(自身を含む): 770468544

約数和(自身を除く): 485598224

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, 392, 490, 560, 784, 980, 1960, 3920, 72671, 145342, 290684, 363355, 508697, 581368, 726710, 1017394, 1162736, 1453420, 2034788, 2543485, 2906840, 3560879, 4069576, 5086970, 5813680, 7121758, 8139152, 10173940, 14243516, 17804395, 20347880, 28487032, 35608790, 40695760, 56974064, 71217580, 142435160, 284870320]

約数ペア:

[(1, 284870320), (2, 142435160), (4, 71217580), (5, 56974064), (7, 40695760), (8, 35608790), (10, 28487032), (14, 20347880), (16, 17804395), (20, 14243516), (28, 10173940), (35, 8139152), (40, 7121758), (49, 5813680), (56, 5086970), (70, 4069576), (80, 3560879), (98, 2906840), (112, 2543485), (140, 2034788), (196, 1453420), (245, 1162736), (280, 1017394), (392, 726710), (490, 581368), (560, 508697), (784, 363355), (980, 290684), (1960, 145342), (3920, 72671)]