268793420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1747}}^1$

素因数の和:1927

約数の個数: 72

約数和(自身を含む): 661184496

約数和(自身を除く): 392391076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 980, 1099, 1570, 1747, 2198, 3140, 3494, 4396, 5495, 6988, 7693, 8735, 10990, 12229, 15386, 17470, 21980, 24458, 30772, 34940, 38465, 48916, 61145, 76930, 85603, 122290, 153860, 171206, 244580, 274279, 342412, 428015, 548558, 856030, 1097116, 1371395, 1712060, 1919953, 2742790, 3839906, 5485580, 7679812, 9599765, 13439671, 19199530, 26879342, 38399060, 53758684, 67198355, 134396710, 268793420]

約数ペア:

[(1, 268793420), (2, 134396710), (4, 67198355), (5, 53758684), (7, 38399060), (10, 26879342), (14, 19199530), (20, 13439671), (28, 9599765), (35, 7679812), (49, 5485580), (70, 3839906), (98, 2742790), (140, 1919953), (157, 1712060), (196, 1371395), (245, 1097116), (314, 856030), (490, 548558), (628, 428015), (785, 342412), (980, 274279), (1099, 244580), (1570, 171206), (1747, 153860), (2198, 122290), (3140, 85603), (3494, 76930), (4396, 61145), (5495, 48916), (6988, 38465), (7693, 34940), (8735, 30772), (10990, 24458), (12229, 21980), (15386, 17470)]