About the Number

90387640

90387639 ← → 90387641

2進数表記:101011000110011010010111000

漢数字表記:九千三十八万七千六百四十

素因数分解:

2 3 × 5 1 × 7 1 × 17 2 × 1117 1

素因数の和:1169
約数の個数: 96
約数和(自身を含む): 247122720
約数和(自身を除く): 156735080

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 289, 340, 476, 578, 595, 680, 952, 1117, 1156, 1190, 1445, 2023, 2234, 2312, 2380, 2890, 4046, 4468, 4760, 5585, 5780, 7819, 8092, 8936, 10115, 11170, 11560, 15638, 16184, 18989, 20230, 22340, 31276, 37978, 39095, 40460, 44680, 62552, 75956, 78190, 80920, 94945, 132923, 151912, 156380, 189890, 265846, 312760, 322813, 379780, 531692, 645626, 664615, 759560, 1063384, 1291252, 1329230, 1614065, 2259691, 2582504, 2658460, 3228130, 4519382, 5316920, 6456260, 9038764, 11298455, 12912520, 18077528, 22596910, 45193820, 90387640]

約数ペア:
[(1, 90387640), (2, 45193820), (4, 22596910), (5, 18077528), (7, 12912520), (8, 11298455), (10, 9038764), (14, 6456260), (17, 5316920), (20, 4519382), (28, 3228130), (34, 2658460), (35, 2582504), (40, 2259691), (56, 1614065), (68, 1329230), (70, 1291252), (85, 1063384), (119, 759560), (136, 664615), (140, 645626), (170, 531692), (238, 379780), (280, 322813), (289, 312760), (340, 265846), (476, 189890), (578, 156380), (595, 151912), (680, 132923), (952, 94945), (1117, 80920), (1156, 78190), (1190, 75956), (1445, 62552), (2023, 44680), (2234, 40460), (2312, 39095), (2380, 37978), (2890, 31276), (4046, 22340), (4468, 20230), (4760, 18989), (5585, 16184), (5780, 15638), (7819, 11560), (8092, 11170), (8936, 10115)]

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