205571730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:580

約数の個数: 128

約数和(自身を含む): 611670528

約数和(自身を除く): 406098798

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 257, 273, 293, 390, 455, 514, 546, 586, 771, 879, 910, 1285, 1365, 1465, 1542, 1758, 1799, 2051, 2570, 2730, 2930, 3341, 3598, 3809, 3855, 4102, 4395, 5397, 6153, 6682, 7618, 7710, 8790, 8995, 10023, 10255, 10794, 11427, 12306, 16705, 17990, 19045, 20046, 20510, 22854, 23387, 26663, 26985, 30765, 33410, 38090, 46774, 50115, 53326, 53970, 57135, 61530, 70161, 75301, 79989, 100230, 114270, 116935, 133315, 140322, 150602, 159978, 225903, 233870, 266630, 350805, 376505, 399945, 451806, 527107, 701610, 753010, 799890, 978913, 1054214, 1129515, 1581321, 1957826, 2259030, 2635535, 2936739, 3162642, 4894565, 5271070, 5873478, 6852391, 7906605, 9789130, 13704782, 14683695, 15813210, 20557173, 29367390, 34261955, 41114346, 68523910, 102785865, 205571730]

約数ペア:

[(1, 205571730), (2, 102785865), (3, 68523910), (5, 41114346), (6, 34261955), (7, 29367390), (10, 20557173), (13, 15813210), (14, 14683695), (15, 13704782), (21, 9789130), (26, 7906605), (30, 6852391), (35, 5873478), (39, 5271070), (42, 4894565), (65, 3162642), (70, 2936739), (78, 2635535), (91, 2259030), (105, 1957826), (130, 1581321), (182, 1129515), (195, 1054214), (210, 978913), (257, 799890), (273, 753010), (293, 701610), (390, 527107), (455, 451806), (514, 399945), (546, 376505), (586, 350805), (771, 266630), (879, 233870), (910, 225903), (1285, 159978), (1365, 150602), (1465, 140322), (1542, 133315), (1758, 116935), (1799, 114270), (2051, 100230), (2570, 79989), (2730, 75301), (2930, 70161), (3341, 61530), (3598, 57135), (3809, 53970), (3855, 53326), (4102, 50115), (4395, 46774), (5397, 38090), (6153, 33410), (6682, 30765), (7618, 26985), (7710, 26663), (8790, 23387), (8995, 22854), (10023, 20510), (10255, 20046), (10794, 19045), (11427, 17990), (12306, 16705)]