861120170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 1635379200

約数和(自身を除く): 774259030

約数列:

[1, 2, 5, 10, 31, 62, 103, 149, 155, 181, 206, 298, 310, 362, 515, 745, 905, 1030, 1490, 1810, 3193, 4619, 5611, 6386, 9238, 11222, 15347, 15965, 18643, 23095, 26969, 28055, 30694, 31930, 37286, 46190, 53938, 56110, 76735, 93215, 134845, 153470, 186430, 269690, 475757, 577933, 836039, 951514, 1155866, 1672078, 2378785, 2777807, 2889665, 4180195, 4757570, 5555614, 5779330, 8360390, 13889035, 27778070, 86112017, 172224034, 430560085, 861120170]

約数ペア:

[(1, 861120170), (2, 430560085), (5, 172224034), (10, 86112017), (31, 27778070), (62, 13889035), (103, 8360390), (149, 5779330), (155, 5555614), (181, 4757570), (206, 4180195), (298, 2889665), (310, 2777807), (362, 2378785), (515, 1672078), (745, 1155866), (905, 951514), (1030, 836039), (1490, 577933), (1810, 475757), (3193, 269690), (4619, 186430), (5611, 153470), (6386, 134845), (9238, 93215), (11222, 76735), (15347, 56110), (15965, 53938), (18643, 46190), (23095, 37286), (26969, 31930), (28055, 30694)]