About the Number

2129306920

2129306919 ← → 2129306921

2進数表記:1111110111010101010010100101000

漢数字表記:二十一億二千九百三十万六千九百二十

素因数分解:

2 3 × 5 1 × 13 1 × 31 2 × 4261 1

素因数の和:4347
約数の個数: 96
約数和(自身を含む): 5332529160
約数和(自身を除く): 3203222240

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 961, 1240, 1612, 1922, 2015, 3224, 3844, 4030, 4261, 4805, 7688, 8060, 8522, 9610, 12493, 16120, 17044, 19220, 21305, 24986, 34088, 38440, 42610, 49972, 55393, 62465, 85220, 99944, 110786, 124930, 132091, 170440, 221572, 249860, 264182, 276965, 443144, 499720, 528364, 553930, 660455, 1056728, 1107860, 1320910, 1717183, 2215720, 2641820, 3434366, 4094821, 5283640, 6868732, 8189642, 8585915, 13737464, 16379284, 17171830, 20474105, 32758568, 34343660, 40948210, 53232673, 68687320, 81896420, 106465346, 163792840, 212930692, 266163365, 425861384, 532326730, 1064653460, 2129306920]

約数ペア:
[(1, 2129306920), (2, 1064653460), (4, 532326730), (5, 425861384), (8, 266163365), (10, 212930692), (13, 163792840), (20, 106465346), (26, 81896420), (31, 68687320), (40, 53232673), (52, 40948210), (62, 34343660), (65, 32758568), (104, 20474105), (124, 17171830), (130, 16379284), (155, 13737464), (248, 8585915), (260, 8189642), (310, 6868732), (403, 5283640), (520, 4094821), (620, 3434366), (806, 2641820), (961, 2215720), (1240, 1717183), (1612, 1320910), (1922, 1107860), (2015, 1056728), (3224, 660455), (3844, 553930), (4030, 528364), (4261, 499720), (4805, 443144), (7688, 276965), (8060, 264182), (8522, 249860), (9610, 221572), (12493, 170440), (16120, 132091), (17044, 124930), (19220, 110786), (21305, 99944), (24986, 85220), (34088, 62465), (38440, 55393), (42610, 49972)]

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