38439900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 144

約数和(自身を含む): 129158400

約数和(自身を除く): 90718500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 90, 92, 100, 108, 115, 135, 138, 150, 180, 207, 225, 230, 270, 276, 300, 345, 414, 450, 460, 540, 575, 619, 621, 675, 690, 828, 900, 1035, 1150, 1238, 1242, 1350, 1380, 1725, 1857, 2070, 2300, 2476, 2484, 2700, 3095, 3105, 3450, 3714, 4140, 5175, 5571, 6190, 6210, 6900, 7428, 9285, 10350, 11142, 12380, 12420, 14237, 15475, 15525, 16713, 18570, 20700, 22284, 27855, 28474, 30950, 31050, 33426, 37140, 42711, 46425, 55710, 56948, 61900, 62100, 66852, 71185, 83565, 85422, 92850, 111420, 128133, 139275, 142370, 167130, 170844, 185700, 213555, 256266, 278550, 284740, 334260, 355925, 384399, 417825, 427110, 512532, 557100, 640665, 711850, 768798, 835650, 854220, 1067775, 1281330, 1423700, 1537596, 1671300, 1921995, 2135550, 2562660, 3203325, 3843990, 4271100, 6406650, 7687980, 9609975, 12813300, 19219950, 38439900]

約数ペア:

[(1, 38439900), (2, 19219950), (3, 12813300), (4, 9609975), (5, 7687980), (6, 6406650), (9, 4271100), (10, 3843990), (12, 3203325), (15, 2562660), (18, 2135550), (20, 1921995), (23, 1671300), (25, 1537596), (27, 1423700), (30, 1281330), (36, 1067775), (45, 854220), (46, 835650), (50, 768798), (54, 711850), (60, 640665), (69, 557100), (75, 512532), (90, 427110), (92, 417825), (100, 384399), (108, 355925), (115, 334260), (135, 284740), (138, 278550), (150, 256266), (180, 213555), (207, 185700), (225, 170844), (230, 167130), (270, 142370), (276, 139275), (300, 128133), (345, 111420), (414, 92850), (450, 85422), (460, 83565), (540, 71185), (575, 66852), (619, 62100), (621, 61900), (675, 56948), (690, 55710), (828, 46425), (900, 42711), (1035, 37140), (1150, 33426), (1238, 31050), (1242, 30950), (1350, 28474), (1380, 27855), (1725, 22284), (1857, 20700), (2070, 18570), (2300, 16713), (2476, 15525), (2484, 15475), (2700, 14237), (3095, 12420), (3105, 12380), (3450, 11142), (3714, 10350), (4140, 9285), (5175, 7428), (5571, 6900), (6190, 6210)]