About the Number

102938490

102938489 ← → 102938491

2進数表記:110001000101011011101111010

漢数字表記:一億二百九十三万八千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 131 1 × 8731 1

素因数の和:8875
約数の個数: 48
約数和(自身を含む): 269714016
約数和(自身を除く): 166775526

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 8731, 11790, 17462, 26193, 43655, 52386, 78579, 87310, 130965, 157158, 261930, 392895, 785790, 1143761, 2287522, 3431283, 5718805, 6862566, 10293849, 11437610, 17156415, 20587698, 34312830, 51469245, 102938490]

約数ペア:
[(1, 102938490), (2, 51469245), (3, 34312830), (5, 20587698), (6, 17156415), (9, 11437610), (10, 10293849), (15, 6862566), (18, 5718805), (30, 3431283), (45, 2287522), (90, 1143761), (131, 785790), (262, 392895), (393, 261930), (655, 157158), (786, 130965), (1179, 87310), (1310, 78579), (1965, 52386), (2358, 43655), (3930, 26193), (5895, 17462), (8731, 11790)]

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