About the Number

212612490

212612489 ← → 212612491

2進数表記:1100101011000011010110001010

漢数字表記:二億千二百六十一万二千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 47 1 × 50263 1

素因数の和:50323
約数の個数: 48
約数和(自身を含む): 564565248
約数和(自身を除く): 351952758

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 50263, 100526, 150789, 251315, 301578, 452367, 502630, 753945, 904734, 1507890, 2261835, 2362361, 4523670, 4724722, 7087083, 11811805, 14174166, 21261249, 23623610, 35435415, 42522498, 70870830, 106306245, 212612490]

約数ペア:
[(1, 212612490), (2, 106306245), (3, 70870830), (5, 42522498), (6, 35435415), (9, 23623610), (10, 21261249), (15, 14174166), (18, 11811805), (30, 7087083), (45, 4724722), (47, 4523670), (90, 2362361), (94, 2261835), (141, 1507890), (235, 904734), (282, 753945), (423, 502630), (470, 452367), (705, 301578), (846, 251315), (1410, 150789), (2115, 100526), (4230, 50263)]

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