About the Number

108908280

108908279 ← → 108908281

2進数表記:110011111011100111011111000

漢数字表記:一億八百九十万八千二百八十

素因数分解:

2 3 × 3 3 × 5 1 × 13 1 × 7757 1

素因数の和:7790
約数の個数: 128
約数和(自身を含む): 391003200
約数和(自身を除く): 282094920

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 7757, 14040, 15514, 23271, 31028, 38785, 46542, 62056, 69813, 77570, 93084, 100841, 116355, 139626, 155140, 186168, 201682, 209439, 232710, 279252, 302523, 310280, 349065, 403364, 418878, 465420, 504205, 558504, 605046, 698130, 806728, 837756, 907569, 930840, 1008410, 1047195, 1210092, 1396260, 1512615, 1675512, 1815138, 2016820, 2094390, 2420184, 2722707, 2792520, 3025230, 3630276, 4033640, 4188780, 4537845, 5445414, 6050460, 7260552, 8377560, 9075690, 10890828, 12100920, 13613535, 18151380, 21781656, 27227070, 36302760, 54454140, 108908280]

約数ペア:
[(1, 108908280), (2, 54454140), (3, 36302760), (4, 27227070), (5, 21781656), (6, 18151380), (8, 13613535), (9, 12100920), (10, 10890828), (12, 9075690), (13, 8377560), (15, 7260552), (18, 6050460), (20, 5445414), (24, 4537845), (26, 4188780), (27, 4033640), (30, 3630276), (36, 3025230), (39, 2792520), (40, 2722707), (45, 2420184), (52, 2094390), (54, 2016820), (60, 1815138), (65, 1675512), (72, 1512615), (78, 1396260), (90, 1210092), (104, 1047195), (108, 1008410), (117, 930840), (120, 907569), (130, 837756), (135, 806728), (156, 698130), (180, 605046), (195, 558504), (216, 504205), (234, 465420), (260, 418878), (270, 403364), (312, 349065), (351, 310280), (360, 302523), (390, 279252), (468, 232710), (520, 209439), (540, 201682), (585, 186168), (702, 155140), (780, 139626), (936, 116355), (1080, 100841), (1170, 93084), (1404, 77570), (1560, 69813), (1755, 62056), (2340, 46542), (2808, 38785), (3510, 31028), (4680, 23271), (7020, 15514), (7757, 14040)]

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