About the Number

31121370

31121369 ← → 31121371

2進数表記:1110110101101111111011010

漢数字表記:三千百十二万千三百七十

素因数分解:

2 1 × 3 2 × 5 1 × 7 2 × 7057 1

素因数の和:7084
約数の個数: 72
約数和(自身を含む): 94139604
約数和(自身を除く): 63018234

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 7057, 14114, 21171, 35285, 42342, 49399, 63513, 70570, 98798, 105855, 127026, 148197, 211710, 246995, 296394, 317565, 345793, 444591, 493990, 635130, 691586, 740985, 889182, 1037379, 1481970, 1728965, 2074758, 2222955, 3112137, 3457930, 4445910, 5186895, 6224274, 10373790, 15560685, 31121370]

約数ペア:
[(1, 31121370), (2, 15560685), (3, 10373790), (5, 6224274), (6, 5186895), (7, 4445910), (9, 3457930), (10, 3112137), (14, 2222955), (15, 2074758), (18, 1728965), (21, 1481970), (30, 1037379), (35, 889182), (42, 740985), (45, 691586), (49, 635130), (63, 493990), (70, 444591), (90, 345793), (98, 317565), (105, 296394), (126, 246995), (147, 211710), (210, 148197), (245, 127026), (294, 105855), (315, 98798), (441, 70570), (490, 63513), (630, 49399), (735, 42342), (882, 35285), (1470, 21171), (2205, 14114), (4410, 7057)]

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