About the Number

972900

972899 ← → 972901

2進数表記:11101101100001100100

漢数字表記:九十七万二千九百

素因数分解:

2 2 × 3 2 × 5 2 × 23 1 × 47 1

素因数の和:90
約数の個数: 108
約数和(自身を含む): 3249792
約数和(自身を除く): 2276892

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 47, 50, 60, 69, 75, 90, 92, 94, 100, 115, 138, 141, 150, 180, 188, 207, 225, 230, 235, 276, 282, 300, 345, 414, 423, 450, 460, 470, 564, 575, 690, 705, 828, 846, 900, 940, 1035, 1081, 1150, 1175, 1380, 1410, 1692, 1725, 2070, 2115, 2162, 2300, 2350, 2820, 3243, 3450, 3525, 4140, 4230, 4324, 4700, 5175, 5405, 6486, 6900, 7050, 8460, 9729, 10350, 10575, 10810, 12972, 14100, 16215, 19458, 20700, 21150, 21620, 27025, 32430, 38916, 42300, 48645, 54050, 64860, 81075, 97290, 108100, 162150, 194580, 243225, 324300, 486450, 972900]

約数ペア:
[(1, 972900), (2, 486450), (3, 324300), (4, 243225), (5, 194580), (6, 162150), (9, 108100), (10, 97290), (12, 81075), (15, 64860), (18, 54050), (20, 48645), (23, 42300), (25, 38916), (30, 32430), (36, 27025), (45, 21620), (46, 21150), (47, 20700), (50, 19458), (60, 16215), (69, 14100), (75, 12972), (90, 10810), (92, 10575), (94, 10350), (100, 9729), (115, 8460), (138, 7050), (141, 6900), (150, 6486), (180, 5405), (188, 5175), (207, 4700), (225, 4324), (230, 4230), (235, 4140), (276, 3525), (282, 3450), (300, 3243), (345, 2820), (414, 2350), (423, 2300), (450, 2162), (460, 2115), (470, 2070), (564, 1725), (575, 1692), (690, 1410), (705, 1380), (828, 1175), (846, 1150), (900, 1081), (940, 1035)]

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