215146540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11731}}^1$

素因数の和:11878

約数の個数: 48

約数和(自身を含む): 520337664

約数和(自身を除く): 305191124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 11731, 18340, 23462, 46924, 58655, 82117, 117310, 164234, 234620, 328468, 410585, 821170, 1536761, 1642340, 3073522, 6147044, 7683805, 10757327, 15367610, 21514654, 30735220, 43029308, 53786635, 107573270, 215146540]

約数ペア:

[(1, 215146540), (2, 107573270), (4, 53786635), (5, 43029308), (7, 30735220), (10, 21514654), (14, 15367610), (20, 10757327), (28, 7683805), (35, 6147044), (70, 3073522), (131, 1642340), (140, 1536761), (262, 821170), (524, 410585), (655, 328468), (917, 234620), (1310, 164234), (1834, 117310), (2620, 82117), (3668, 58655), (4585, 46924), (9170, 23462), (11731, 18340)]