209679040

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:990

約数の個数: 112

約数和(自身を含む): 538398720

約数和(自身を除く): 328719680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 713, 736, 919, 920, 992, 1240, 1426, 1472, 1838, 1840, 1984, 2480, 2852, 3565, 3676, 3680, 4595, 4960, 5704, 7130, 7352, 7360, 9190, 9920, 11408, 14260, 14704, 18380, 21137, 22816, 28489, 28520, 29408, 36760, 42274, 45632, 56978, 57040, 58816, 73520, 84548, 105685, 113956, 114080, 142445, 147040, 169096, 211370, 227912, 228160, 284890, 294080, 338192, 422740, 455824, 569780, 655247, 676384, 845480, 911648, 1139560, 1310494, 1352768, 1690960, 1823296, 2279120, 2620988, 3276235, 3381920, 4558240, 5241976, 6552470, 6763840, 9116480, 10483952, 13104940, 20967904, 26209880, 41935808, 52419760, 104839520, 209679040]

約数ペア:

[(1, 209679040), (2, 104839520), (4, 52419760), (5, 41935808), (8, 26209880), (10, 20967904), (16, 13104940), (20, 10483952), (23, 9116480), (31, 6763840), (32, 6552470), (40, 5241976), (46, 4558240), (62, 3381920), (64, 3276235), (80, 2620988), (92, 2279120), (115, 1823296), (124, 1690960), (155, 1352768), (160, 1310494), (184, 1139560), (230, 911648), (248, 845480), (310, 676384), (320, 655247), (368, 569780), (460, 455824), (496, 422740), (620, 338192), (713, 294080), (736, 284890), (919, 228160), (920, 227912), (992, 211370), (1240, 169096), (1426, 147040), (1472, 142445), (1838, 114080), (1840, 113956), (1984, 105685), (2480, 84548), (2852, 73520), (3565, 58816), (3676, 57040), (3680, 56978), (4595, 45632), (4960, 42274), (5704, 36760), (7130, 29408), (7352, 28520), (7360, 28489), (9190, 22816), (9920, 21137), (11408, 18380), (14260, 14704)]