27887910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 69894144

約数和(自身を除く): 42006234

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 157, 186, 191, 310, 314, 382, 465, 471, 573, 785, 930, 942, 955, 1146, 1570, 1910, 2355, 2865, 4710, 4867, 5730, 5921, 9734, 11842, 14601, 17763, 24335, 29202, 29605, 29987, 35526, 48670, 59210, 59974, 73005, 88815, 89961, 146010, 149935, 177630, 179922, 299870, 449805, 899610, 929597, 1859194, 2788791, 4647985, 5577582, 9295970, 13943955, 27887910]

約数ペア:

[(1, 27887910), (2, 13943955), (3, 9295970), (5, 5577582), (6, 4647985), (10, 2788791), (15, 1859194), (30, 929597), (31, 899610), (62, 449805), (93, 299870), (155, 179922), (157, 177630), (186, 149935), (191, 146010), (310, 89961), (314, 88815), (382, 73005), (465, 59974), (471, 59210), (573, 48670), (785, 35526), (930, 29987), (942, 29605), (955, 29202), (1146, 24335), (1570, 17763), (1910, 14601), (2355, 11842), (2865, 9734), (4710, 5921), (4867, 5730)]