About the Number

40308990

40308989 ← → 40308991

2進数表記:10011001110001000011111110

漢数字表記:四千三十万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 89 1 × 487 1

素因数の和:617
約数の個数: 64
約数和(自身を含む): 101191680
約数和(自身を除く): 60882690

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 89, 93, 155, 178, 186, 267, 310, 445, 465, 487, 534, 890, 930, 974, 1335, 1461, 2435, 2670, 2759, 2922, 4870, 5518, 7305, 8277, 13795, 14610, 15097, 16554, 27590, 30194, 41385, 43343, 45291, 75485, 82770, 86686, 90582, 130029, 150970, 216715, 226455, 260058, 433430, 452910, 650145, 1300290, 1343633, 2687266, 4030899, 6718165, 8061798, 13436330, 20154495, 40308990]

約数ペア:
[(1, 40308990), (2, 20154495), (3, 13436330), (5, 8061798), (6, 6718165), (10, 4030899), (15, 2687266), (30, 1343633), (31, 1300290), (62, 650145), (89, 452910), (93, 433430), (155, 260058), (178, 226455), (186, 216715), (267, 150970), (310, 130029), (445, 90582), (465, 86686), (487, 82770), (534, 75485), (890, 45291), (930, 43343), (974, 41385), (1335, 30194), (1461, 27590), (2435, 16554), (2670, 15097), (2759, 14610), (2922, 13795), (4870, 8277), (5518, 7305)]

このpageの処理時間: 0.005610227584838867 seconds