About the Number

117809920

117809919 ← → 117809921

2進数表記:111000001011010001100000000

漢数字表記:一億千七百八十万九千九百二十

素因数分解:

2 8 × 5 1 × 31 1 × 2969 1

素因数の和:3021
約数の個数: 72
約数和(自身を含む): 291392640
約数和(自身を除く): 173582720

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 2969, 3968, 4960, 5938, 7936, 9920, 11876, 14845, 19840, 23752, 29690, 39680, 47504, 59380, 92039, 95008, 118760, 184078, 190016, 237520, 368156, 380032, 460195, 475040, 736312, 760064, 920390, 950080, 1472624, 1840780, 1900160, 2945248, 3681560, 3800320, 5890496, 7363120, 11780992, 14726240, 23561984, 29452480, 58904960, 117809920]

約数ペア:
[(1, 117809920), (2, 58904960), (4, 29452480), (5, 23561984), (8, 14726240), (10, 11780992), (16, 7363120), (20, 5890496), (31, 3800320), (32, 3681560), (40, 2945248), (62, 1900160), (64, 1840780), (80, 1472624), (124, 950080), (128, 920390), (155, 760064), (160, 736312), (248, 475040), (256, 460195), (310, 380032), (320, 368156), (496, 237520), (620, 190016), (640, 184078), (992, 118760), (1240, 95008), (1280, 92039), (1984, 59380), (2480, 47504), (2969, 39680), (3968, 29690), (4960, 23752), (5938, 19840), (7936, 14845), (9920, 11876)]

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