28430270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 31565890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 122, 190, 209, 223, 305, 418, 446, 610, 671, 1045, 1115, 1159, 1342, 2090, 2230, 2318, 2453, 3355, 4237, 4906, 5795, 6710, 8474, 11590, 12265, 12749, 13603, 21185, 24530, 25498, 27206, 42370, 46607, 63745, 68015, 93214, 127490, 136030, 149633, 233035, 258457, 299266, 466070, 516914, 748165, 1292285, 1496330, 2584570, 2843027, 5686054, 14215135, 28430270]

約数ペア:

[(1, 28430270), (2, 14215135), (5, 5686054), (10, 2843027), (11, 2584570), (19, 1496330), (22, 1292285), (38, 748165), (55, 516914), (61, 466070), (95, 299266), (110, 258457), (122, 233035), (190, 149633), (209, 136030), (223, 127490), (305, 93214), (418, 68015), (446, 63745), (610, 46607), (671, 42370), (1045, 27206), (1115, 25498), (1159, 24530), (1342, 21185), (2090, 13603), (2230, 12749), (2318, 12265), (2453, 11590), (3355, 8474), (4237, 6710), (4906, 5795)]