398838720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{59351}}^1$

素因数の和:59378

約数の個数: 112

約数和(自身を含む): 1447239168

約数和(自身を除く): 1048400448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 59351, 118702, 178053, 237404, 296755, 356106, 415457, 474808, 593510, 712212, 830914, 890265, 949616, 1187020, 1246371, 1424424, 1661828, 1780530, 1899232, 2077285, 2374040, 2492742, 2848848, 3323656, 3561060, 3798464, 4154570, 4748080, 4985484, 5697696, 6231855, 6647312, 7122120, 8309140, 9496160, 9970968, 11395392, 12463710, 13294624, 14244240, 16618280, 18992320, 19941936, 24927420, 26589248, 28488480, 33236560, 39883872, 49854840, 56976960, 66473120, 79767744, 99709680, 132946240, 199419360, 398838720]

約数ペア:

[(1, 398838720), (2, 199419360), (3, 132946240), (4, 99709680), (5, 79767744), (6, 66473120), (7, 56976960), (8, 49854840), (10, 39883872), (12, 33236560), (14, 28488480), (15, 26589248), (16, 24927420), (20, 19941936), (21, 18992320), (24, 16618280), (28, 14244240), (30, 13294624), (32, 12463710), (35, 11395392), (40, 9970968), (42, 9496160), (48, 8309140), (56, 7122120), (60, 6647312), (64, 6231855), (70, 5697696), (80, 4985484), (84, 4748080), (96, 4154570), (105, 3798464), (112, 3561060), (120, 3323656), (140, 2848848), (160, 2492742), (168, 2374040), (192, 2077285), (210, 1899232), (224, 1780530), (240, 1661828), (280, 1424424), (320, 1246371), (336, 1187020), (420, 949616), (448, 890265), (480, 830914), (560, 712212), (672, 593510), (840, 474808), (960, 415457), (1120, 356106), (1344, 296755), (1680, 237404), (2240, 178053), (3360, 118702), (6720, 59351)]