About the Number

231390900

231390899 ← → 231390901

2進数表記:1101110010101011111010110100

漢数字表記:二億三千百三十九万九百

素因数分解:

2 2 × 3 2 × 5 2 × 13 1 × 19777 1

素因数の和:19810
約数の個数: 108
約数和(自身を含む): 781112332
約数和(自身を除く): 549721432

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2925, 3900, 5850, 11700, 19777, 39554, 59331, 79108, 98885, 118662, 177993, 197770, 237324, 257101, 296655, 355986, 395540, 494425, 514202, 593310, 711972, 771303, 889965, 988850, 1028404, 1186620, 1285505, 1483275, 1542606, 1779930, 1977700, 2313909, 2571010, 2966550, 3085212, 3559860, 3856515, 4449825, 4627818, 5142020, 5933100, 6427525, 7713030, 8899650, 9255636, 11569545, 12855050, 15426060, 17799300, 19282575, 23139090, 25710100, 38565150, 46278180, 57847725, 77130300, 115695450, 231390900]

約数ペア:
[(1, 231390900), (2, 115695450), (3, 77130300), (4, 57847725), (5, 46278180), (6, 38565150), (9, 25710100), (10, 23139090), (12, 19282575), (13, 17799300), (15, 15426060), (18, 12855050), (20, 11569545), (25, 9255636), (26, 8899650), (30, 7713030), (36, 6427525), (39, 5933100), (45, 5142020), (50, 4627818), (52, 4449825), (60, 3856515), (65, 3559860), (75, 3085212), (78, 2966550), (90, 2571010), (100, 2313909), (117, 1977700), (130, 1779930), (150, 1542606), (156, 1483275), (180, 1285505), (195, 1186620), (225, 1028404), (234, 988850), (260, 889965), (300, 771303), (325, 711972), (390, 593310), (450, 514202), (468, 494425), (585, 395540), (650, 355986), (780, 296655), (900, 257101), (975, 237324), (1170, 197770), (1300, 177993), (1950, 118662), (2340, 98885), (2925, 79108), (3900, 59331), (5850, 39554), (11700, 19777)]

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