2548551490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 4800941280

約数和(自身を除く): 2252389790

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 193, 370, 386, 401, 445, 802, 890, 965, 1930, 2005, 3293, 4010, 6586, 7141, 14282, 14837, 16465, 17177, 29674, 32930, 34354, 35689, 35705, 71378, 71410, 74185, 77393, 85885, 148370, 154786, 171770, 178445, 356890, 386965, 635549, 773930, 1271098, 1320493, 2640986, 2863541, 3177745, 5727082, 6355490, 6602465, 6887977, 13204930, 13775954, 14317705, 28635410, 34439885, 68879770, 254855149, 509710298, 1274275745, 2548551490]

約数ペア:

[(1, 2548551490), (2, 1274275745), (5, 509710298), (10, 254855149), (37, 68879770), (74, 34439885), (89, 28635410), (178, 14317705), (185, 13775954), (193, 13204930), (370, 6887977), (386, 6602465), (401, 6355490), (445, 5727082), (802, 3177745), (890, 2863541), (965, 2640986), (1930, 1320493), (2005, 1271098), (3293, 773930), (4010, 635549), (6586, 386965), (7141, 356890), (14282, 178445), (14837, 171770), (16465, 154786), (17177, 148370), (29674, 85885), (32930, 77393), (34354, 74185), (35689, 71410), (35705, 71378)]