About the Number

12789420

12789419 ← → 12789421

2進数表記:110000110010011010101100

漢数字表記:千二百七十八万九千四百二十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 37 1 × 823 1

素因数の和:879
約数の個数: 96
約数和(自身を含む): 42083328
約数和(自身を除く): 29293908

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 823, 1036, 1110, 1295, 1554, 1646, 2220, 2469, 2590, 3108, 3292, 3885, 4115, 4938, 5180, 5761, 7770, 8230, 9876, 11522, 12345, 15540, 16460, 17283, 23044, 24690, 28805, 30451, 34566, 49380, 57610, 60902, 69132, 86415, 91353, 115220, 121804, 152255, 172830, 182706, 213157, 304510, 345660, 365412, 426314, 456765, 609020, 639471, 852628, 913530, 1065785, 1278942, 1827060, 2131570, 2557884, 3197355, 4263140, 6394710, 12789420]

約数ペア:
[(1, 12789420), (2, 6394710), (3, 4263140), (4, 3197355), (5, 2557884), (6, 2131570), (7, 1827060), (10, 1278942), (12, 1065785), (14, 913530), (15, 852628), (20, 639471), (21, 609020), (28, 456765), (30, 426314), (35, 365412), (37, 345660), (42, 304510), (60, 213157), (70, 182706), (74, 172830), (84, 152255), (105, 121804), (111, 115220), (140, 91353), (148, 86415), (185, 69132), (210, 60902), (222, 57610), (259, 49380), (370, 34566), (420, 30451), (444, 28805), (518, 24690), (555, 23044), (740, 17283), (777, 16460), (823, 15540), (1036, 12345), (1110, 11522), (1295, 9876), (1554, 8230), (1646, 7770), (2220, 5761), (2469, 5180), (2590, 4938), (3108, 4115), (3292, 3885)]

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