220437280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:967

約数の個数: 144

約数和(自身を含む): 626040576

約数和(自身を除く): 405603296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 907, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1814, 1960, 2170, 2480, 3038, 3472, 3628, 3920, 4340, 4535, 4960, 6076, 6349, 6944, 7256, 7595, 7840, 8680, 9070, 12152, 12698, 14512, 15190, 17360, 18140, 24304, 25396, 28117, 29024, 30380, 31745, 34720, 36280, 44443, 48608, 50792, 56234, 60760, 63490, 72560, 88886, 101584, 112468, 121520, 126980, 140585, 145120, 177772, 196819, 203168, 222215, 224936, 243040, 253960, 281170, 355544, 393638, 444430, 449872, 507920, 562340, 711088, 787276, 888860, 899744, 984095, 1015840, 1124680, 1377733, 1422176, 1574552, 1777720, 1968190, 2249360, 2755466, 3149104, 3555440, 3936380, 4498720, 5510932, 6298208, 6888665, 7110880, 7872760, 11021864, 13777330, 15745520, 22043728, 27554660, 31491040, 44087456, 55109320, 110218640, 220437280]

約数ペア:

[(1, 220437280), (2, 110218640), (4, 55109320), (5, 44087456), (7, 31491040), (8, 27554660), (10, 22043728), (14, 15745520), (16, 13777330), (20, 11021864), (28, 7872760), (31, 7110880), (32, 6888665), (35, 6298208), (40, 5510932), (49, 4498720), (56, 3936380), (62, 3555440), (70, 3149104), (80, 2755466), (98, 2249360), (112, 1968190), (124, 1777720), (140, 1574552), (155, 1422176), (160, 1377733), (196, 1124680), (217, 1015840), (224, 984095), (245, 899744), (248, 888860), (280, 787276), (310, 711088), (392, 562340), (434, 507920), (490, 449872), (496, 444430), (560, 393638), (620, 355544), (784, 281170), (868, 253960), (907, 243040), (980, 224936), (992, 222215), (1085, 203168), (1120, 196819), (1240, 177772), (1519, 145120), (1568, 140585), (1736, 126980), (1814, 121520), (1960, 112468), (2170, 101584), (2480, 88886), (3038, 72560), (3472, 63490), (3628, 60760), (3920, 56234), (4340, 50792), (4535, 48608), (4960, 44443), (6076, 36280), (6349, 34720), (6944, 31745), (7256, 30380), (7595, 29024), (7840, 28117), (8680, 25396), (9070, 24304), (12152, 18140), (12698, 17360), (14512, 15190)]