77928340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 200309760

約数和(自身を除く): 122381420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 137, 140, 170, 238, 239, 274, 340, 476, 478, 548, 595, 685, 956, 959, 1190, 1195, 1370, 1673, 1918, 2329, 2380, 2390, 2740, 3346, 3836, 4063, 4658, 4780, 4795, 6692, 8126, 8365, 9316, 9590, 11645, 16252, 16303, 16730, 19180, 20315, 23290, 28441, 32606, 32743, 33460, 40630, 46580, 56882, 65212, 65486, 81260, 81515, 113764, 130972, 142205, 163030, 163715, 229201, 284410, 326060, 327430, 458402, 556631, 568820, 654860, 916804, 1113262, 1146005, 2226524, 2292010, 2783155, 3896417, 4584020, 5566310, 7792834, 11132620, 15585668, 19482085, 38964170, 77928340]

約数ペア:

[(1, 77928340), (2, 38964170), (4, 19482085), (5, 15585668), (7, 11132620), (10, 7792834), (14, 5566310), (17, 4584020), (20, 3896417), (28, 2783155), (34, 2292010), (35, 2226524), (68, 1146005), (70, 1113262), (85, 916804), (119, 654860), (137, 568820), (140, 556631), (170, 458402), (238, 327430), (239, 326060), (274, 284410), (340, 229201), (476, 163715), (478, 163030), (548, 142205), (595, 130972), (685, 113764), (956, 81515), (959, 81260), (1190, 65486), (1195, 65212), (1370, 56882), (1673, 46580), (1918, 40630), (2329, 33460), (2380, 32743), (2390, 32606), (2740, 28441), (3346, 23290), (3836, 20315), (4063, 19180), (4658, 16730), (4780, 16303), (4795, 16252), (6692, 11645), (8126, 9590), (8365, 9316)]