279138860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 802013184

約数和(自身を除く): 522874324

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 73, 77, 91, 110, 130, 140, 143, 146, 154, 182, 191, 220, 260, 286, 292, 308, 364, 365, 382, 385, 455, 511, 572, 715, 730, 764, 770, 803, 910, 949, 955, 1001, 1022, 1337, 1430, 1460, 1540, 1606, 1820, 1898, 1910, 2002, 2044, 2101, 2483, 2555, 2674, 2860, 3212, 3796, 3820, 4004, 4015, 4202, 4745, 4966, 5005, 5110, 5348, 5621, 6643, 6685, 8030, 8404, 9490, 9932, 10010, 10220, 10439, 10505, 11242, 12415, 13286, 13370, 13943, 14707, 16060, 17381, 18980, 20020, 20878, 21010, 22484, 24830, 26572, 26740, 27313, 27886, 28105, 29414, 33215, 34762, 41756, 42020, 49660, 52195, 54626, 55772, 56210, 58828, 66430, 69524, 69715, 73073, 73535, 86905, 97601, 104390, 109252, 112420, 132860, 136565, 139430, 146146, 147070, 153373, 173810, 181259, 191191, 195202, 208780, 273130, 278860, 292292, 294140, 306746, 347620, 362518, 365365, 382382, 390404, 488005, 546260, 613492, 725036, 730730, 764764, 766865, 906295, 955955, 976010, 1073611, 1268813, 1461460, 1533730, 1812590, 1911910, 1952020, 1993849, 2147222, 2537626, 3067460, 3625180, 3823820, 3987698, 4294444, 5075252, 5368055, 6344065, 7975396, 9969245, 10736110, 12688130, 13956943, 19938490, 21472220, 25376260, 27913886, 39876980, 55827772, 69784715, 139569430, 279138860]

約数ペア:

[(1, 279138860), (2, 139569430), (4, 69784715), (5, 55827772), (7, 39876980), (10, 27913886), (11, 25376260), (13, 21472220), (14, 19938490), (20, 13956943), (22, 12688130), (26, 10736110), (28, 9969245), (35, 7975396), (44, 6344065), (52, 5368055), (55, 5075252), (65, 4294444), (70, 3987698), (73, 3823820), (77, 3625180), (91, 3067460), (110, 2537626), (130, 2147222), (140, 1993849), (143, 1952020), (146, 1911910), (154, 1812590), (182, 1533730), (191, 1461460), (220, 1268813), (260, 1073611), (286, 976010), (292, 955955), (308, 906295), (364, 766865), (365, 764764), (382, 730730), (385, 725036), (455, 613492), (511, 546260), (572, 488005), (715, 390404), (730, 382382), (764, 365365), (770, 362518), (803, 347620), (910, 306746), (949, 294140), (955, 292292), (1001, 278860), (1022, 273130), (1337, 208780), (1430, 195202), (1460, 191191), (1540, 181259), (1606, 173810), (1820, 153373), (1898, 147070), (1910, 146146), (2002, 139430), (2044, 136565), (2101, 132860), (2483, 112420), (2555, 109252), (2674, 104390), (2860, 97601), (3212, 86905), (3796, 73535), (3820, 73073), (4004, 69715), (4015, 69524), (4202, 66430), (4745, 58828), (4966, 56210), (5005, 55772), (5110, 54626), (5348, 52195), (5621, 49660), (6643, 42020), (6685, 41756), (8030, 34762), (8404, 33215), (9490, 29414), (9932, 28105), (10010, 27886), (10220, 27313), (10439, 26740), (10505, 26572), (11242, 24830), (12415, 22484), (13286, 21010), (13370, 20878), (13943, 20020), (14707, 18980), (16060, 17381)]