258889345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 414771840

約数和(自身を除く): 155882495

約数列:

[1, 5, 11, 13, 17, 19, 55, 59, 65, 85, 95, 143, 187, 209, 221, 247, 295, 323, 361, 649, 715, 767, 935, 1003, 1045, 1105, 1121, 1235, 1615, 1805, 2431, 2717, 3245, 3553, 3835, 3971, 4199, 4693, 5015, 5605, 6137, 8437, 11033, 12155, 12331, 13039, 13585, 14573, 17765, 19057, 19855, 20995, 21299, 23465, 30685, 42185, 46189, 51623, 55165, 61655, 65195, 67507, 72865, 79781, 95285, 106495, 143429, 160303, 209627, 230945, 234289, 247741, 258115, 276887, 337535, 362083, 398905, 717145, 801515, 877591, 1048135, 1171445, 1238705, 1384435, 1810415, 2725151, 3045757, 3982913, 4387955, 4707079, 13625755, 15228785, 19914565, 23535395, 51777869, 258889345]

約数ペア:

[(1, 258889345), (5, 51777869), (11, 23535395), (13, 19914565), (17, 15228785), (19, 13625755), (55, 4707079), (59, 4387955), (65, 3982913), (85, 3045757), (95, 2725151), (143, 1810415), (187, 1384435), (209, 1238705), (221, 1171445), (247, 1048135), (295, 877591), (323, 801515), (361, 717145), (649, 398905), (715, 362083), (767, 337535), (935, 276887), (1003, 258115), (1045, 247741), (1105, 234289), (1121, 230945), (1235, 209627), (1615, 160303), (1805, 143429), (2431, 106495), (2717, 95285), (3245, 79781), (3553, 72865), (3835, 67507), (3971, 65195), (4199, 61655), (4693, 55165), (5015, 51623), (5605, 46189), (6137, 42185), (8437, 30685), (11033, 23465), (12155, 21299), (12331, 20995), (13039, 19855), (13585, 19057), (14573, 17765)]