2989280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 8600256

約数和(自身を除く): 5610976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 157, 160, 170, 224, 238, 272, 280, 314, 340, 476, 544, 560, 595, 628, 680, 785, 952, 1099, 1120, 1190, 1256, 1360, 1570, 1904, 2198, 2380, 2512, 2669, 2720, 3140, 3808, 4396, 4760, 5024, 5338, 5495, 6280, 8792, 9520, 10676, 10990, 12560, 13345, 17584, 18683, 19040, 21352, 21980, 25120, 26690, 35168, 37366, 42704, 43960, 53380, 74732, 85408, 87920, 93415, 106760, 149464, 175840, 186830, 213520, 298928, 373660, 427040, 597856, 747320, 1494640, 2989280]

約数ペア:

[(1, 2989280), (2, 1494640), (4, 747320), (5, 597856), (7, 427040), (8, 373660), (10, 298928), (14, 213520), (16, 186830), (17, 175840), (20, 149464), (28, 106760), (32, 93415), (34, 87920), (35, 85408), (40, 74732), (56, 53380), (68, 43960), (70, 42704), (80, 37366), (85, 35168), (112, 26690), (119, 25120), (136, 21980), (140, 21352), (157, 19040), (160, 18683), (170, 17584), (224, 13345), (238, 12560), (272, 10990), (280, 10676), (314, 9520), (340, 8792), (476, 6280), (544, 5495), (560, 5338), (595, 5024), (628, 4760), (680, 4396), (785, 3808), (952, 3140), (1099, 2720), (1120, 2669), (1190, 2512), (1256, 2380), (1360, 2198), (1570, 1904)]