1399412560

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3923}}^1$

素因数の和:3970

約数の個数: 160

約数和(自身を含む): 4087238400

約数和(自身を除く): 2687825840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 520, 560, 637, 686, 728, 784, 910, 980, 1040, 1274, 1372, 1456, 1715, 1820, 1960, 2548, 2744, 3185, 3430, 3640, 3920, 3923, 4459, 5096, 5488, 6370, 6860, 7280, 7846, 8918, 10192, 12740, 13720, 15692, 17836, 19615, 22295, 25480, 27440, 27461, 31384, 35672, 39230, 44590, 50960, 50999, 54922, 62768, 71344, 78460, 89180, 101998, 109844, 137305, 156920, 178360, 192227, 203996, 219688, 254995, 274610, 313840, 356720, 356993, 384454, 407992, 439376, 509990, 549220, 713986, 768908, 815984, 961135, 1019980, 1098440, 1345589, 1427972, 1537816, 1784965, 1922270, 2039960, 2196880, 2498951, 2691178, 2855944, 3075632, 3569930, 3844540, 4079920, 4997902, 5382356, 5711888, 6727945, 7139860, 7689080, 9995804, 10764712, 12494755, 13455890, 14279720, 15378160, 17492657, 19991608, 21529424, 24989510, 26911780, 28559440, 34985314, 39983216, 49979020, 53823560, 69970628, 87463285, 99958040, 107647120, 139941256, 174926570, 199916080, 279882512, 349853140, 699706280, 1399412560]

約数ペア:

[(1, 1399412560), (2, 699706280), (4, 349853140), (5, 279882512), (7, 199916080), (8, 174926570), (10, 139941256), (13, 107647120), (14, 99958040), (16, 87463285), (20, 69970628), (26, 53823560), (28, 49979020), (35, 39983216), (40, 34985314), (49, 28559440), (52, 26911780), (56, 24989510), (65, 21529424), (70, 19991608), (80, 17492657), (91, 15378160), (98, 14279720), (104, 13455890), (112, 12494755), (130, 10764712), (140, 9995804), (182, 7689080), (196, 7139860), (208, 6727945), (245, 5711888), (260, 5382356), (280, 4997902), (343, 4079920), (364, 3844540), (392, 3569930), (455, 3075632), (490, 2855944), (520, 2691178), (560, 2498951), (637, 2196880), (686, 2039960), (728, 1922270), (784, 1784965), (910, 1537816), (980, 1427972), (1040, 1345589), (1274, 1098440), (1372, 1019980), (1456, 961135), (1715, 815984), (1820, 768908), (1960, 713986), (2548, 549220), (2744, 509990), (3185, 439376), (3430, 407992), (3640, 384454), (3920, 356993), (3923, 356720), (4459, 313840), (5096, 274610), (5488, 254995), (6370, 219688), (6860, 203996), (7280, 192227), (7846, 178360), (8918, 156920), (10192, 137305), (12740, 109844), (13720, 101998), (15692, 89180), (17836, 78460), (19615, 71344), (22295, 62768), (25480, 54922), (27440, 50999), (27461, 50960), (31384, 44590), (35672, 39230)]