About the Number

31972920

31972919 ← → 31972921

2進数表記:1111001111101111000111000

漢数字表記:三千百九十七万二千九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 17 1 × 2239 1

素因数の和:2277
約数の個数: 128
約数和(自身を含む): 116121600
約数和(自身を除く): 84148680

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2239, 2380, 2856, 3570, 4478, 4760, 6717, 7140, 8956, 11195, 13434, 14280, 15673, 17912, 22390, 26868, 31346, 33585, 38063, 44780, 47019, 53736, 62692, 67170, 76126, 78365, 89560, 94038, 114189, 125384, 134340, 152252, 156730, 188076, 190315, 228378, 235095, 266441, 268680, 304504, 313460, 376152, 380630, 456756, 470190, 532882, 570945, 626920, 761260, 799323, 913512, 940380, 1065764, 1141890, 1332205, 1522520, 1598646, 1880760, 2131528, 2283780, 2664410, 3197292, 3996615, 4567560, 5328820, 6394584, 7993230, 10657640, 15986460, 31972920]

約数ペア:
[(1, 31972920), (2, 15986460), (3, 10657640), (4, 7993230), (5, 6394584), (6, 5328820), (7, 4567560), (8, 3996615), (10, 3197292), (12, 2664410), (14, 2283780), (15, 2131528), (17, 1880760), (20, 1598646), (21, 1522520), (24, 1332205), (28, 1141890), (30, 1065764), (34, 940380), (35, 913512), (40, 799323), (42, 761260), (51, 626920), (56, 570945), (60, 532882), (68, 470190), (70, 456756), (84, 380630), (85, 376152), (102, 313460), (105, 304504), (119, 268680), (120, 266441), (136, 235095), (140, 228378), (168, 190315), (170, 188076), (204, 156730), (210, 152252), (238, 134340), (255, 125384), (280, 114189), (340, 94038), (357, 89560), (408, 78365), (420, 76126), (476, 67170), (510, 62692), (595, 53736), (680, 47019), (714, 44780), (840, 38063), (952, 33585), (1020, 31346), (1190, 26868), (1428, 22390), (1785, 17912), (2040, 15673), (2239, 14280), (2380, 13434), (2856, 11195), (3570, 8956), (4478, 7140), (4760, 6717)]

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