About the Number

2001915210

2001915209 ← → 2001915211

2進数表記:1110111010100101100110101001010

漢数字表記:二十億百九十一万五千二百十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 103 1 × 20899 1

素因数の和:21043
約数の個数: 64
約数和(自身を含む): 5007974400
約数和(自身を除く): 3006059190

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 103, 155, 186, 206, 309, 310, 465, 515, 618, 930, 1030, 1545, 3090, 3193, 6386, 9579, 15965, 19158, 20899, 31930, 41798, 47895, 62697, 95790, 104495, 125394, 208990, 313485, 626970, 647869, 1295738, 1943607, 2152597, 3239345, 3887214, 4305194, 6457791, 6478690, 9718035, 10762985, 12915582, 19436070, 21525970, 32288955, 64577910, 66730507, 133461014, 200191521, 333652535, 400383042, 667305070, 1000957605, 2001915210]

約数ペア:
[(1, 2001915210), (2, 1000957605), (3, 667305070), (5, 400383042), (6, 333652535), (10, 200191521), (15, 133461014), (30, 66730507), (31, 64577910), (62, 32288955), (93, 21525970), (103, 19436070), (155, 12915582), (186, 10762985), (206, 9718035), (309, 6478690), (310, 6457791), (465, 4305194), (515, 3887214), (618, 3239345), (930, 2152597), (1030, 1943607), (1545, 1295738), (3090, 647869), (3193, 626970), (6386, 313485), (9579, 208990), (15965, 125394), (19158, 104495), (20899, 95790), (31930, 62697), (41798, 47895)]

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