248991010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 503729280

約数和(自身を除く): 254738270

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 157, 170, 190, 314, 323, 491, 646, 785, 982, 1570, 1615, 2455, 2669, 2983, 3230, 4910, 5338, 5966, 8347, 9329, 13345, 14915, 16694, 18658, 26690, 29830, 41735, 46645, 50711, 77087, 83470, 93290, 101422, 154174, 158593, 253555, 317186, 385435, 507110, 770870, 792965, 1310479, 1464653, 1585930, 2620958, 2929306, 6552395, 7323265, 13104790, 14646530, 24899101, 49798202, 124495505, 248991010]

約数ペア:

[(1, 248991010), (2, 124495505), (5, 49798202), (10, 24899101), (17, 14646530), (19, 13104790), (34, 7323265), (38, 6552395), (85, 2929306), (95, 2620958), (157, 1585930), (170, 1464653), (190, 1310479), (314, 792965), (323, 770870), (491, 507110), (646, 385435), (785, 317186), (982, 253555), (1570, 158593), (1615, 154174), (2455, 101422), (2669, 93290), (2983, 83470), (3230, 77087), (4910, 50711), (5338, 46645), (5966, 41735), (8347, 29830), (9329, 26690), (13345, 18658), (14915, 16694)]