About the Number

1389503820

1389503819 ← → 1389503821

2進数表記:1010010110100100010010101001100

漢数字表記:十三億八千九百五十万三千八百二十

素因数分解:

2 2 × 3 1 × 5 1 × 19 1 × 823 1 × 1481 1

素因数の和:2335
約数の個数: 96
約数和(自身を含む): 4103124480
約数和(自身を除く): 2713620660

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 823, 1140, 1481, 1646, 2469, 2962, 3292, 4115, 4443, 4938, 5924, 7405, 8230, 8886, 9876, 12345, 14810, 15637, 16460, 17772, 22215, 24690, 28139, 29620, 31274, 44430, 46911, 49380, 56278, 62548, 78185, 84417, 88860, 93822, 112556, 140695, 156370, 168834, 187644, 234555, 281390, 312740, 337668, 422085, 469110, 562780, 844170, 938220, 1218863, 1688340, 2437726, 3656589, 4875452, 6094315, 7313178, 12188630, 14626356, 18282945, 23158397, 24377260, 36565890, 46316794, 69475191, 73131780, 92633588, 115791985, 138950382, 231583970, 277900764, 347375955, 463167940, 694751910, 1389503820]

約数ペア:
[(1, 1389503820), (2, 694751910), (3, 463167940), (4, 347375955), (5, 277900764), (6, 231583970), (10, 138950382), (12, 115791985), (15, 92633588), (19, 73131780), (20, 69475191), (30, 46316794), (38, 36565890), (57, 24377260), (60, 23158397), (76, 18282945), (95, 14626356), (114, 12188630), (190, 7313178), (228, 6094315), (285, 4875452), (380, 3656589), (570, 2437726), (823, 1688340), (1140, 1218863), (1481, 938220), (1646, 844170), (2469, 562780), (2962, 469110), (3292, 422085), (4115, 337668), (4443, 312740), (4938, 281390), (5924, 234555), (7405, 187644), (8230, 168834), (8886, 156370), (9876, 140695), (12345, 112556), (14810, 93822), (15637, 88860), (16460, 84417), (17772, 78185), (22215, 62548), (24690, 56278), (28139, 49380), (29620, 46911), (31274, 44430)]

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