1403178640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{3923}}^1$

素因数の和:4216

約数の個数: 80

約数和(自身を含む): 3468313728

約数和(自身を除く): 2065135088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 263, 272, 340, 526, 680, 1052, 1315, 1360, 2104, 2630, 3923, 4208, 4471, 5260, 7846, 8942, 10520, 15692, 17884, 19615, 21040, 22355, 31384, 35768, 39230, 44710, 62768, 66691, 71536, 78460, 89420, 133382, 156920, 178840, 266764, 313840, 333455, 357680, 533528, 666910, 1031749, 1067056, 1333820, 2063498, 2667640, 4126996, 5158745, 5335280, 8253992, 10317490, 16507984, 17539733, 20634980, 35079466, 41269960, 70158932, 82539920, 87698665, 140317864, 175397330, 280635728, 350794660, 701589320, 1403178640]

約数ペア:

[(1, 1403178640), (2, 701589320), (4, 350794660), (5, 280635728), (8, 175397330), (10, 140317864), (16, 87698665), (17, 82539920), (20, 70158932), (34, 41269960), (40, 35079466), (68, 20634980), (80, 17539733), (85, 16507984), (136, 10317490), (170, 8253992), (263, 5335280), (272, 5158745), (340, 4126996), (526, 2667640), (680, 2063498), (1052, 1333820), (1315, 1067056), (1360, 1031749), (2104, 666910), (2630, 533528), (3923, 357680), (4208, 333455), (4471, 313840), (5260, 266764), (7846, 178840), (8942, 156920), (10520, 133382), (15692, 89420), (17884, 78460), (19615, 71536), (21040, 66691), (22355, 62768), (31384, 44710), (35768, 39230)]