About the Number

102002490

102002489 ← → 102002491

2進数表記:110000101000110111100111010

漢数字表記:一億二百万二千四百九十

素因数分解:

2 1 × 3 4 × 5 1 × 125929 1

素因数の和:125948
約数の個数: 40
約数和(自身を含む): 274275540
約数和(自身を除く): 172273050

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 125929, 251858, 377787, 629645, 755574, 1133361, 1259290, 1888935, 2266722, 3400083, 3777870, 5666805, 6800166, 10200249, 11333610, 17000415, 20400498, 34000830, 51001245, 102002490]

約数ペア:
[(1, 102002490), (2, 51001245), (3, 34000830), (5, 20400498), (6, 17000415), (9, 11333610), (10, 10200249), (15, 6800166), (18, 5666805), (27, 3777870), (30, 3400083), (45, 2266722), (54, 1888935), (81, 1259290), (90, 1133361), (135, 755574), (162, 629645), (270, 377787), (405, 251858), (810, 125929)]

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