221201890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5653}}^1$

素因数の和:5723

約数の個数: 64

約数和(自身を含む): 501532416

約数和(自身を除く): 280330526

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 910, 1118, 1505, 2795, 3010, 3913, 5590, 5653, 7826, 11306, 19565, 28265, 39130, 39571, 56530, 73489, 79142, 146978, 197855, 243079, 367445, 395710, 486158, 514423, 734890, 1028846, 1215395, 1701553, 2430790, 2572115, 3160027, 3403106, 5144230, 6320054, 8507765, 15800135, 17015530, 22120189, 31600270, 44240378, 110600945, 221201890]

約数ペア:

[(1, 221201890), (2, 110600945), (5, 44240378), (7, 31600270), (10, 22120189), (13, 17015530), (14, 15800135), (26, 8507765), (35, 6320054), (43, 5144230), (65, 3403106), (70, 3160027), (86, 2572115), (91, 2430790), (130, 1701553), (182, 1215395), (215, 1028846), (301, 734890), (430, 514423), (455, 486158), (559, 395710), (602, 367445), (910, 243079), (1118, 197855), (1505, 146978), (2795, 79142), (3010, 73489), (3913, 56530), (5590, 39571), (5653, 39130), (7826, 28265), (11306, 19565)]