About the Number

389871120

389871119 ← → 389871121

2進数表記:10111001111001111011000010000

漢数字表記:三億八千九百八十七万千百二十

素因数分解:

2 4 × 3 1 × 5 1 × 419 1 × 3877 1

素因数の和:4312
約数の個数: 80
約数和(自身を含む): 1211797440
約数和(自身を除く): 821926320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 419, 838, 1257, 1676, 2095, 2514, 3352, 3877, 4190, 5028, 6285, 6704, 7754, 8380, 10056, 11631, 12570, 15508, 16760, 19385, 20112, 23262, 25140, 31016, 33520, 38770, 46524, 50280, 58155, 62032, 77540, 93048, 100560, 116310, 155080, 186096, 232620, 310160, 465240, 930480, 1624463, 3248926, 4873389, 6497852, 8122315, 9746778, 12995704, 16244630, 19493556, 24366945, 25991408, 32489260, 38987112, 48733890, 64978520, 77974224, 97467780, 129957040, 194935560, 389871120]

約数ペア:
[(1, 389871120), (2, 194935560), (3, 129957040), (4, 97467780), (5, 77974224), (6, 64978520), (8, 48733890), (10, 38987112), (12, 32489260), (15, 25991408), (16, 24366945), (20, 19493556), (24, 16244630), (30, 12995704), (40, 9746778), (48, 8122315), (60, 6497852), (80, 4873389), (120, 3248926), (240, 1624463), (419, 930480), (838, 465240), (1257, 310160), (1676, 232620), (2095, 186096), (2514, 155080), (3352, 116310), (3877, 100560), (4190, 93048), (5028, 77540), (6285, 62032), (6704, 58155), (7754, 50280), (8380, 46524), (10056, 38770), (11631, 33520), (12570, 31016), (15508, 25140), (16760, 23262), (19385, 20112)]

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