217206290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{829}}^1$

素因数の和:1059

約数の個数: 64

約数和(自身を含む): 473299200

約数和(自身を除く): 256092910

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 197, 266, 394, 665, 829, 985, 1330, 1379, 1658, 1970, 2758, 3743, 4145, 5803, 6895, 7486, 8290, 11606, 13790, 15751, 18715, 26201, 29015, 31502, 37430, 52402, 58030, 78755, 110257, 131005, 157510, 163313, 220514, 262010, 326626, 551285, 816565, 1102570, 1143191, 1633130, 2286382, 3102947, 5715955, 6205894, 11431910, 15514735, 21720629, 31029470, 43441258, 108603145, 217206290]

約数ペア:

[(1, 217206290), (2, 108603145), (5, 43441258), (7, 31029470), (10, 21720629), (14, 15514735), (19, 11431910), (35, 6205894), (38, 5715955), (70, 3102947), (95, 2286382), (133, 1633130), (190, 1143191), (197, 1102570), (266, 816565), (394, 551285), (665, 326626), (829, 262010), (985, 220514), (1330, 163313), (1379, 157510), (1658, 131005), (1970, 110257), (2758, 78755), (3743, 58030), (4145, 52402), (5803, 37430), (6895, 31502), (7486, 29015), (8290, 26201), (11606, 18715), (13790, 15751)]