2021149600

素因数分解:

$2^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:663

約数の個数: 144

約数和(自身を含む): 5085612000

約数和(自身を除く): 3064462400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 83, 100, 122, 160, 166, 200, 244, 305, 332, 400, 415, 488, 499, 610, 664, 800, 830, 976, 998, 1220, 1328, 1525, 1660, 1952, 1996, 2075, 2440, 2495, 2656, 3050, 3320, 3992, 4150, 4880, 4990, 5063, 6100, 6640, 7984, 8300, 9760, 9980, 10126, 12200, 12475, 13280, 15968, 16600, 19960, 20252, 24400, 24950, 25315, 30439, 33200, 39920, 40504, 41417, 48800, 49900, 50630, 60878, 66400, 79840, 81008, 82834, 99800, 101260, 121756, 126575, 152195, 162016, 165668, 199600, 202520, 207085, 243512, 253150, 304390, 331336, 399200, 405040, 414170, 487024, 506300, 608780, 662672, 760975, 810080, 828340, 974048, 1012600, 1035425, 1217560, 1325344, 1521950, 1656680, 2025200, 2070850, 2435120, 2526437, 3043900, 3313360, 4050400, 4141700, 4870240, 5052874, 6087800, 6626720, 8283400, 10105748, 12175600, 12632185, 16566800, 20211496, 24351200, 25264370, 33133600, 40422992, 50528740, 63160925, 80845984, 101057480, 126321850, 202114960, 252643700, 404229920, 505287400, 1010574800, 2021149600]

約数ペア:

[(1, 2021149600), (2, 1010574800), (4, 505287400), (5, 404229920), (8, 252643700), (10, 202114960), (16, 126321850), (20, 101057480), (25, 80845984), (32, 63160925), (40, 50528740), (50, 40422992), (61, 33133600), (80, 25264370), (83, 24351200), (100, 20211496), (122, 16566800), (160, 12632185), (166, 12175600), (200, 10105748), (244, 8283400), (305, 6626720), (332, 6087800), (400, 5052874), (415, 4870240), (488, 4141700), (499, 4050400), (610, 3313360), (664, 3043900), (800, 2526437), (830, 2435120), (976, 2070850), (998, 2025200), (1220, 1656680), (1328, 1521950), (1525, 1325344), (1660, 1217560), (1952, 1035425), (1996, 1012600), (2075, 974048), (2440, 828340), (2495, 810080), (2656, 760975), (3050, 662672), (3320, 608780), (3992, 506300), (4150, 487024), (4880, 414170), (4990, 405040), (5063, 399200), (6100, 331336), (6640, 304390), (7984, 253150), (8300, 243512), (9760, 207085), (9980, 202520), (10126, 199600), (12200, 165668), (12475, 162016), (13280, 152195), (15968, 126575), (16600, 121756), (19960, 101260), (20252, 99800), (24400, 82834), (24950, 81008), (25315, 79840), (30439, 66400), (33200, 60878), (39920, 50630), (40504, 49900), (41417, 48800)]