About the Number

201908025

201908024 ← → 201908026

2進数表記:1100000010001101111100111001

漢数字表記:二億百九十万八千二十五

素因数分解:

3 3 × 5 2 × 11 1 × 71 1 × 383 1

素因数の和:484
約数の個数: 96
約数和(自身を含む): 411402240
約数和(自身を除く): 209494215

約数列:
[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 71, 75, 99, 135, 165, 213, 225, 275, 297, 355, 383, 495, 639, 675, 781, 825, 1065, 1149, 1485, 1775, 1915, 1917, 2343, 2475, 3195, 3447, 3905, 4213, 5325, 5745, 7029, 7425, 9575, 9585, 10341, 11715, 12639, 15975, 17235, 19525, 21065, 21087, 27193, 28725, 35145, 37917, 47925, 51705, 58575, 63195, 81579, 86175, 105325, 105435, 113751, 135965, 175725, 189585, 244737, 258525, 299123, 315975, 407895, 527175, 568755, 679825, 734211, 897369, 947925, 1223685, 1495615, 2039475, 2692107, 2843775, 3671055, 4486845, 6118425, 7478075, 8076321, 13460535, 18355275, 22434225, 40381605, 67302675, 201908025]

約数ペア:
[(1, 201908025), (3, 67302675), (5, 40381605), (9, 22434225), (11, 18355275), (15, 13460535), (25, 8076321), (27, 7478075), (33, 6118425), (45, 4486845), (55, 3671055), (71, 2843775), (75, 2692107), (99, 2039475), (135, 1495615), (165, 1223685), (213, 947925), (225, 897369), (275, 734211), (297, 679825), (355, 568755), (383, 527175), (495, 407895), (639, 315975), (675, 299123), (781, 258525), (825, 244737), (1065, 189585), (1149, 175725), (1485, 135965), (1775, 113751), (1915, 105435), (1917, 105325), (2343, 86175), (2475, 81579), (3195, 63195), (3447, 58575), (3905, 51705), (4213, 47925), (5325, 37917), (5745, 35145), (7029, 28725), (7425, 27193), (9575, 21087), (9585, 21065), (10341, 19525), (11715, 17235), (12639, 15975)]

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