217634690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{769}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 484323840

約数和(自身を除く): 266689150

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 311, 455, 622, 769, 910, 1538, 1555, 2177, 3110, 3845, 4043, 4354, 5383, 7690, 8086, 9997, 10766, 10885, 19994, 20215, 21770, 26915, 28301, 40430, 49985, 53830, 56602, 69979, 99970, 139958, 141505, 239159, 283010, 349895, 478318, 699790, 1195795, 1674113, 2391590, 3109067, 3348226, 6218134, 8370565, 15545335, 16741130, 21763469, 31090670, 43526938, 108817345, 217634690]

約数ペア:

[(1, 217634690), (2, 108817345), (5, 43526938), (7, 31090670), (10, 21763469), (13, 16741130), (14, 15545335), (26, 8370565), (35, 6218134), (65, 3348226), (70, 3109067), (91, 2391590), (130, 1674113), (182, 1195795), (311, 699790), (455, 478318), (622, 349895), (769, 283010), (910, 239159), (1538, 141505), (1555, 139958), (2177, 99970), (3110, 69979), (3845, 56602), (4043, 53830), (4354, 49985), (5383, 40430), (7690, 28301), (8086, 26915), (9997, 21770), (10766, 20215), (10885, 19994)]