856555880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{54767}}^1$

素因数の和:54818

約数の個数: 64

約数和(自身を含む): 2129379840

約数和(自身を除く): 1272823960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 15640, 54767, 109534, 219068, 273835, 438136, 547670, 931039, 1095340, 1259641, 1862078, 2190680, 2519282, 3724156, 4655195, 5038564, 6298205, 7448312, 9310390, 10077128, 12596410, 18620780, 21413897, 25192820, 37241560, 42827794, 50385640, 85655588, 107069485, 171311176, 214138970, 428277940, 856555880]

約数ペア:

[(1, 856555880), (2, 428277940), (4, 214138970), (5, 171311176), (8, 107069485), (10, 85655588), (17, 50385640), (20, 42827794), (23, 37241560), (34, 25192820), (40, 21413897), (46, 18620780), (68, 12596410), (85, 10077128), (92, 9310390), (115, 7448312), (136, 6298205), (170, 5038564), (184, 4655195), (230, 3724156), (340, 2519282), (391, 2190680), (460, 1862078), (680, 1259641), (782, 1095340), (920, 931039), (1564, 547670), (1955, 438136), (3128, 273835), (3910, 219068), (7820, 109534), (15640, 54767)]