208869820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 483029568

約数和(自身を除く): 274159748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 67, 68, 85, 106, 134, 170, 173, 212, 265, 268, 335, 340, 346, 530, 670, 692, 865, 901, 1060, 1139, 1340, 1730, 1802, 2278, 2941, 3460, 3551, 3604, 4505, 4556, 5695, 5882, 7102, 9010, 9169, 11390, 11591, 11764, 14204, 14705, 17755, 18020, 18338, 22780, 23182, 29410, 35510, 36676, 45845, 46364, 57955, 58820, 60367, 71020, 91690, 115910, 120734, 155873, 183380, 197047, 231820, 241468, 301835, 311746, 394094, 603670, 614323, 623492, 779365, 788188, 985235, 1207340, 1228646, 1558730, 1970470, 2457292, 3071615, 3117460, 3940940, 6143230, 10443491, 12286460, 20886982, 41773964, 52217455, 104434910, 208869820]

約数ペア:

[(1, 208869820), (2, 104434910), (4, 52217455), (5, 41773964), (10, 20886982), (17, 12286460), (20, 10443491), (34, 6143230), (53, 3940940), (67, 3117460), (68, 3071615), (85, 2457292), (106, 1970470), (134, 1558730), (170, 1228646), (173, 1207340), (212, 985235), (265, 788188), (268, 779365), (335, 623492), (340, 614323), (346, 603670), (530, 394094), (670, 311746), (692, 301835), (865, 241468), (901, 231820), (1060, 197047), (1139, 183380), (1340, 155873), (1730, 120734), (1802, 115910), (2278, 91690), (2941, 71020), (3460, 60367), (3551, 58820), (3604, 57955), (4505, 46364), (4556, 45845), (5695, 36676), (5882, 35510), (7102, 29410), (9010, 23182), (9169, 22780), (11390, 18338), (11591, 18020), (11764, 17755), (14204, 14705)]