About the Number

31216920

31216919 ← → 31216921

2進数表記:1110111000101010100011000

漢数字表記:三千百二十一万六千九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 7 2 × 5309 1

素因数の和:5337
約数の個数: 96
約数和(自身を含む): 108961200
約数和(自身を除く): 77744280

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5309, 5880, 10618, 15927, 21236, 26545, 31854, 37163, 42472, 53090, 63708, 74326, 79635, 106180, 111489, 127416, 148652, 159270, 185815, 212360, 222978, 260141, 297304, 318540, 371630, 445956, 520282, 557445, 637080, 743260, 780423, 891912, 1040564, 1114890, 1300705, 1486520, 1560846, 2081128, 2229780, 2601410, 3121692, 3902115, 4459560, 5202820, 6243384, 7804230, 10405640, 15608460, 31216920]

約数ペア:
[(1, 31216920), (2, 15608460), (3, 10405640), (4, 7804230), (5, 6243384), (6, 5202820), (7, 4459560), (8, 3902115), (10, 3121692), (12, 2601410), (14, 2229780), (15, 2081128), (20, 1560846), (21, 1486520), (24, 1300705), (28, 1114890), (30, 1040564), (35, 891912), (40, 780423), (42, 743260), (49, 637080), (56, 557445), (60, 520282), (70, 445956), (84, 371630), (98, 318540), (105, 297304), (120, 260141), (140, 222978), (147, 212360), (168, 185815), (196, 159270), (210, 148652), (245, 127416), (280, 111489), (294, 106180), (392, 79635), (420, 74326), (490, 63708), (588, 53090), (735, 42472), (840, 37163), (980, 31854), (1176, 26545), (1470, 21236), (1960, 15927), (2940, 10618), (5309, 5880)]

このpageの処理時間: 0.020931005477905273 seconds