About the Number

1220291856

1220291855 ← → 1220291857

2進数表記:1001000101111000010110100010000

漢数字表記:十二億二千二十九万千八百五十六

素因数分解:

2 4 × 3 2 × 7 1 × 41 1 × 29527 1

素因数の和:29589
約数の個数: 120
約数和(自身を含む): 3998327424
約数和(自身を除く): 2778035568

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 246, 252, 287, 328, 336, 369, 492, 504, 574, 656, 738, 861, 984, 1008, 1148, 1476, 1722, 1968, 2296, 2583, 2952, 3444, 4592, 5166, 5904, 6888, 10332, 13776, 20664, 29527, 41328, 59054, 88581, 118108, 177162, 206689, 236216, 265743, 354324, 413378, 472432, 531486, 620067, 708648, 826756, 1062972, 1210607, 1240134, 1417296, 1653512, 1860201, 2125944, 2421214, 2480268, 3307024, 3631821, 3720402, 4251888, 4842428, 4960536, 7263642, 7440804, 8474249, 9684856, 9921072, 10895463, 14527284, 14881608, 16948498, 19369712, 21790926, 25422747, 29054568, 29763216, 33896996, 43581852, 50845494, 58109136, 67793992, 76268241, 87163704, 101690988, 135587984, 152536482, 174327408, 203381976, 305072964, 406763952, 610145928, 1220291856]

約数ペア:
[(1, 1220291856), (2, 610145928), (3, 406763952), (4, 305072964), (6, 203381976), (7, 174327408), (8, 152536482), (9, 135587984), (12, 101690988), (14, 87163704), (16, 76268241), (18, 67793992), (21, 58109136), (24, 50845494), (28, 43581852), (36, 33896996), (41, 29763216), (42, 29054568), (48, 25422747), (56, 21790926), (63, 19369712), (72, 16948498), (82, 14881608), (84, 14527284), (112, 10895463), (123, 9921072), (126, 9684856), (144, 8474249), (164, 7440804), (168, 7263642), (246, 4960536), (252, 4842428), (287, 4251888), (328, 3720402), (336, 3631821), (369, 3307024), (492, 2480268), (504, 2421214), (574, 2125944), (656, 1860201), (738, 1653512), (861, 1417296), (984, 1240134), (1008, 1210607), (1148, 1062972), (1476, 826756), (1722, 708648), (1968, 620067), (2296, 531486), (2583, 472432), (2952, 413378), (3444, 354324), (4592, 265743), (5166, 236216), (5904, 206689), (6888, 177162), (10332, 118108), (13776, 88581), (20664, 59054), (29527, 41328)]

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