290097920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{32377}}^1$

素因数の和:32405

約数の個数: 72

約数和(自身を含む): 794167584

約数和(自身を除く): 504069664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 32377, 64754, 129508, 161885, 226639, 259016, 323770, 453278, 518032, 647540, 906556, 1036064, 1133195, 1295080, 1813112, 2072128, 2266390, 2590160, 3626224, 4144256, 4532780, 5180320, 7252448, 8288512, 9065560, 10360640, 14504896, 18131120, 20721280, 29009792, 36262240, 41442560, 58019584, 72524480, 145048960, 290097920]

約数ペア:

[(1, 290097920), (2, 145048960), (4, 72524480), (5, 58019584), (7, 41442560), (8, 36262240), (10, 29009792), (14, 20721280), (16, 18131120), (20, 14504896), (28, 10360640), (32, 9065560), (35, 8288512), (40, 7252448), (56, 5180320), (64, 4532780), (70, 4144256), (80, 3626224), (112, 2590160), (128, 2266390), (140, 2072128), (160, 1813112), (224, 1295080), (256, 1133195), (280, 1036064), (320, 906556), (448, 647540), (560, 518032), (640, 453278), (896, 323770), (1120, 259016), (1280, 226639), (1792, 161885), (2240, 129508), (4480, 64754), (8960, 32377)]