440064128

素因数分解:

$2^7\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6217}}^1$

素因数の和:6317

約数の個数: 64

約数和(自身を含む): 1014777600

約数和(自身を除く): 574713472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 316, 448, 553, 632, 896, 1106, 1264, 2212, 2528, 4424, 5056, 6217, 8848, 10112, 12434, 17696, 24868, 35392, 43519, 49736, 70784, 87038, 99472, 174076, 198944, 348152, 397888, 491143, 696304, 795776, 982286, 1392608, 1964572, 2785216, 3438001, 3929144, 5570432, 6876002, 7858288, 13752004, 15716576, 27504008, 31433152, 55008016, 62866304, 110016032, 220032064, 440064128]

約数ペア:

[(1, 440064128), (2, 220032064), (4, 110016032), (7, 62866304), (8, 55008016), (14, 31433152), (16, 27504008), (28, 15716576), (32, 13752004), (56, 7858288), (64, 6876002), (79, 5570432), (112, 3929144), (128, 3438001), (158, 2785216), (224, 1964572), (316, 1392608), (448, 982286), (553, 795776), (632, 696304), (896, 491143), (1106, 397888), (1264, 348152), (2212, 198944), (2528, 174076), (4424, 99472), (5056, 87038), (6217, 70784), (8848, 49736), (10112, 43519), (12434, 35392), (17696, 24868)]