28940230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 61067520

約数和(自身を除く): 32127290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 122, 190, 209, 227, 305, 418, 454, 610, 671, 1045, 1135, 1159, 1342, 2090, 2270, 2318, 2497, 3355, 4313, 4994, 5795, 6710, 8626, 11590, 12485, 12749, 13847, 21565, 24970, 25498, 27694, 43130, 47443, 63745, 69235, 94886, 127490, 138470, 152317, 237215, 263093, 304634, 474430, 526186, 761585, 1315465, 1523170, 2630930, 2894023, 5788046, 14470115, 28940230]

約数ペア:

[(1, 28940230), (2, 14470115), (5, 5788046), (10, 2894023), (11, 2630930), (19, 1523170), (22, 1315465), (38, 761585), (55, 526186), (61, 474430), (95, 304634), (110, 263093), (122, 237215), (190, 152317), (209, 138470), (227, 127490), (305, 94886), (418, 69235), (454, 63745), (610, 47443), (671, 43130), (1045, 27694), (1135, 25498), (1159, 24970), (1342, 21565), (2090, 13847), (2270, 12749), (2318, 12485), (2497, 11590), (3355, 8626), (4313, 6710), (4994, 5795)]