561645910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4243}}^1$

素因数の和:4349

約数の個数: 64

約数和(自身を含む): 1212493824

約数和(自身を除く): 650847914

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 61, 62, 70, 122, 155, 217, 305, 310, 427, 434, 610, 854, 1085, 1891, 2135, 2170, 3782, 4243, 4270, 8486, 9455, 13237, 18910, 21215, 26474, 29701, 42430, 59402, 66185, 131533, 132370, 148505, 258823, 263066, 297010, 517646, 657665, 920731, 1294115, 1315330, 1811761, 1841462, 2588230, 3623522, 4603655, 8023513, 9058805, 9207310, 16047026, 18117610, 40117565, 56164591, 80235130, 112329182, 280822955, 561645910]

約数ペア:

[(1, 561645910), (2, 280822955), (5, 112329182), (7, 80235130), (10, 56164591), (14, 40117565), (31, 18117610), (35, 16047026), (61, 9207310), (62, 9058805), (70, 8023513), (122, 4603655), (155, 3623522), (217, 2588230), (305, 1841462), (310, 1811761), (427, 1315330), (434, 1294115), (610, 920731), (854, 657665), (1085, 517646), (1891, 297010), (2135, 263066), (2170, 258823), (3782, 148505), (4243, 132370), (4270, 131533), (8486, 66185), (9455, 59402), (13237, 42430), (18910, 29701), (21215, 26474)]