About the Number

389212980

389212979 ← → 389212981

2進数表記:10111001100101110101100110100

漢数字表記:三億八千九百二十一万二千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 13 1 × 229 1 × 2179 1

素因数の和:2433
約数の個数: 96
約数和(自身を含む): 1179292800
約数和(自身を除く): 790079820

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 229, 260, 390, 458, 687, 780, 916, 1145, 1374, 2179, 2290, 2748, 2977, 3435, 4358, 4580, 5954, 6537, 6870, 8716, 8931, 10895, 11908, 13074, 13740, 14885, 17862, 21790, 26148, 28327, 29770, 32685, 35724, 43580, 44655, 56654, 59540, 65370, 84981, 89310, 113308, 130740, 141635, 169962, 178620, 283270, 339924, 424905, 498991, 566540, 849810, 997982, 1496973, 1699620, 1995964, 2494955, 2993946, 4989910, 5987892, 6486883, 7484865, 9979820, 12973766, 14969730, 19460649, 25947532, 29939460, 32434415, 38921298, 64868830, 77842596, 97303245, 129737660, 194606490, 389212980]

約数ペア:
[(1, 389212980), (2, 194606490), (3, 129737660), (4, 97303245), (5, 77842596), (6, 64868830), (10, 38921298), (12, 32434415), (13, 29939460), (15, 25947532), (20, 19460649), (26, 14969730), (30, 12973766), (39, 9979820), (52, 7484865), (60, 6486883), (65, 5987892), (78, 4989910), (130, 2993946), (156, 2494955), (195, 1995964), (229, 1699620), (260, 1496973), (390, 997982), (458, 849810), (687, 566540), (780, 498991), (916, 424905), (1145, 339924), (1374, 283270), (2179, 178620), (2290, 169962), (2748, 141635), (2977, 130740), (3435, 113308), (4358, 89310), (4580, 84981), (5954, 65370), (6537, 59540), (6870, 56654), (8716, 44655), (8931, 43580), (10895, 35724), (11908, 32685), (13074, 29770), (13740, 28327), (14885, 26148), (17862, 21790)]

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