291249140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22861}}^1$

素因数の和:22897

約数の個数: 72

約数和(自身を含む): 766242792

約数和(自身を除く): 474993652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 22861, 45722, 91444, 114305, 160027, 228610, 297193, 320054, 457220, 594386, 640108, 800135, 1120189, 1188772, 1485965, 1600270, 2080351, 2240378, 2971930, 3200540, 4160702, 4480756, 5600945, 5943860, 8321404, 10401755, 11201890, 14562457, 20803510, 22403780, 29124914, 41607020, 58249828, 72812285, 145624570, 291249140]

約数ペア:

[(1, 291249140), (2, 145624570), (4, 72812285), (5, 58249828), (7, 41607020), (10, 29124914), (13, 22403780), (14, 20803510), (20, 14562457), (26, 11201890), (28, 10401755), (35, 8321404), (49, 5943860), (52, 5600945), (65, 4480756), (70, 4160702), (91, 3200540), (98, 2971930), (130, 2240378), (140, 2080351), (182, 1600270), (196, 1485965), (245, 1188772), (260, 1120189), (364, 800135), (455, 640108), (490, 594386), (637, 457220), (910, 320054), (980, 297193), (1274, 228610), (1820, 160027), (2548, 114305), (3185, 91444), (6370, 45722), (12740, 22861)]