About the Number

61008990

61008989 ← → 61008991

2進数表記:11101000101110110001011110

漢数字表記:六千百万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 353 1 × 823 1

素因数の和:1193
約数の個数: 64
約数和(自身を含む): 168016896
約数和(自身を除く): 107007906

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 353, 706, 823, 1059, 1646, 1765, 2118, 2469, 2471, 3530, 4115, 4938, 4942, 5295, 5761, 7413, 8230, 10590, 11522, 12345, 12355, 14826, 17283, 24690, 24710, 28805, 34566, 37065, 57610, 74130, 86415, 172830, 290519, 581038, 871557, 1452595, 1743114, 2033633, 2905190, 4067266, 4357785, 6100899, 8715570, 10168165, 12201798, 20336330, 30504495, 61008990]

約数ペア:
[(1, 61008990), (2, 30504495), (3, 20336330), (5, 12201798), (6, 10168165), (7, 8715570), (10, 6100899), (14, 4357785), (15, 4067266), (21, 2905190), (30, 2033633), (35, 1743114), (42, 1452595), (70, 871557), (105, 581038), (210, 290519), (353, 172830), (706, 86415), (823, 74130), (1059, 57610), (1646, 37065), (1765, 34566), (2118, 28805), (2469, 24710), (2471, 24690), (3530, 17283), (4115, 14826), (4938, 12355), (4942, 12345), (5295, 11522), (5761, 10590), (7413, 8230)]

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