About the Number

490989072

490989071 ← → 490989073

2進数表記:11101010000111110011000010000

漢数字表記:四億九千九十八万九千七十二

素因数分解:

2 4 × 3 1 × 7 1 × 47 1 × 31091 1

素因数の和:31156
約数の個数: 80
約数和(自身を含む): 1480476672
約数和(自身を除く): 989487600

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1974, 2256, 2632, 3948, 5264, 7896, 15792, 31091, 62182, 93273, 124364, 186546, 217637, 248728, 373092, 435274, 497456, 652911, 746184, 870548, 1305822, 1461277, 1492368, 1741096, 2611644, 2922554, 3482192, 4383831, 5223288, 5845108, 8767662, 10228939, 10446576, 11690216, 17535324, 20457878, 23380432, 30686817, 35070648, 40915756, 61373634, 70141296, 81831512, 122747268, 163663024, 245494536, 490989072]

約数ペア:
[(1, 490989072), (2, 245494536), (3, 163663024), (4, 122747268), (6, 81831512), (7, 70141296), (8, 61373634), (12, 40915756), (14, 35070648), (16, 30686817), (21, 23380432), (24, 20457878), (28, 17535324), (42, 11690216), (47, 10446576), (48, 10228939), (56, 8767662), (84, 5845108), (94, 5223288), (112, 4383831), (141, 3482192), (168, 2922554), (188, 2611644), (282, 1741096), (329, 1492368), (336, 1461277), (376, 1305822), (564, 870548), (658, 746184), (752, 652911), (987, 497456), (1128, 435274), (1316, 373092), (1974, 248728), (2256, 217637), (2632, 186546), (3948, 124364), (5264, 93273), (7896, 62182), (15792, 31091)]

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