245658140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 658945728

約数和(自身を除く): 413287588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 73, 86, 91, 130, 140, 146, 172, 182, 215, 260, 292, 301, 364, 365, 430, 455, 511, 559, 602, 730, 860, 910, 949, 1022, 1118, 1204, 1460, 1505, 1820, 1849, 1898, 2044, 2236, 2555, 2795, 3010, 3139, 3698, 3796, 3913, 4745, 5110, 5590, 6020, 6278, 6643, 7396, 7826, 9245, 9490, 10220, 11180, 12556, 12943, 13286, 15652, 15695, 18490, 18980, 19565, 21973, 24037, 25886, 26572, 31390, 33215, 36980, 39130, 40807, 43946, 48074, 51772, 62780, 64715, 66430, 78260, 81614, 87892, 96148, 109865, 120185, 129430, 132860, 134977, 163228, 168259, 204035, 219730, 240370, 258860, 269954, 285649, 336518, 408070, 439460, 480740, 539908, 571298, 673036, 674885, 816140, 841295, 944839, 1142596, 1349770, 1428245, 1682590, 1754701, 1889678, 2699540, 2856490, 3365180, 3509402, 3779356, 4724195, 5712980, 7018804, 8773505, 9448390, 12282907, 17547010, 18896780, 24565814, 35094020, 49131628, 61414535, 122829070, 245658140]

約数ペア:

[(1, 245658140), (2, 122829070), (4, 61414535), (5, 49131628), (7, 35094020), (10, 24565814), (13, 18896780), (14, 17547010), (20, 12282907), (26, 9448390), (28, 8773505), (35, 7018804), (43, 5712980), (52, 4724195), (65, 3779356), (70, 3509402), (73, 3365180), (86, 2856490), (91, 2699540), (130, 1889678), (140, 1754701), (146, 1682590), (172, 1428245), (182, 1349770), (215, 1142596), (260, 944839), (292, 841295), (301, 816140), (364, 674885), (365, 673036), (430, 571298), (455, 539908), (511, 480740), (559, 439460), (602, 408070), (730, 336518), (860, 285649), (910, 269954), (949, 258860), (1022, 240370), (1118, 219730), (1204, 204035), (1460, 168259), (1505, 163228), (1820, 134977), (1849, 132860), (1898, 129430), (2044, 120185), (2236, 109865), (2555, 96148), (2795, 87892), (3010, 81614), (3139, 78260), (3698, 66430), (3796, 64715), (3913, 62780), (4745, 51772), (5110, 48074), (5590, 43946), (6020, 40807), (6278, 39130), (6643, 36980), (7396, 33215), (7826, 31390), (9245, 26572), (9490, 25886), (10220, 24037), (11180, 21973), (12556, 19565), (12943, 18980), (13286, 18490), (15652, 15695)]