207900140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12479}}^1$

素因数の和:12519

約数の個数: 72

約数和(自身を含む): 537788160

約数和(自身を除く): 329888020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 12479, 16660, 24958, 49916, 62395, 87353, 124790, 174706, 212143, 249580, 349412, 424286, 436765, 611471, 848572, 873530, 1060715, 1222942, 1485001, 1747060, 2121430, 2445884, 2970002, 3057355, 4242860, 5940004, 6114710, 7425005, 10395007, 12229420, 14850010, 20790014, 29700020, 41580028, 51975035, 103950070, 207900140]

約数ペア:

[(1, 207900140), (2, 103950070), (4, 51975035), (5, 41580028), (7, 29700020), (10, 20790014), (14, 14850010), (17, 12229420), (20, 10395007), (28, 7425005), (34, 6114710), (35, 5940004), (49, 4242860), (68, 3057355), (70, 2970002), (85, 2445884), (98, 2121430), (119, 1747060), (140, 1485001), (170, 1222942), (196, 1060715), (238, 873530), (245, 848572), (340, 611471), (476, 436765), (490, 424286), (595, 349412), (833, 249580), (980, 212143), (1190, 174706), (1666, 124790), (2380, 87353), (3332, 62395), (4165, 49916), (8330, 24958), (12479, 16660)]