287354870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2237

約数の個数: 64

約数和(自身を含む): 600182784

約数和(自身を除く): 312827914

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 53, 55, 106, 110, 115, 230, 253, 265, 506, 530, 583, 1166, 1219, 1265, 2143, 2438, 2530, 2915, 4286, 5830, 6095, 10715, 12190, 13409, 21430, 23573, 26818, 47146, 49289, 67045, 98578, 113579, 117865, 134090, 227158, 235730, 246445, 492890, 542179, 567895, 1084358, 1135790, 1249369, 2498738, 2612317, 2710895, 5224634, 5421790, 6246845, 12493690, 13061585, 26123170, 28735487, 57470974, 143677435, 287354870]

約数ペア:

[(1, 287354870), (2, 143677435), (5, 57470974), (10, 28735487), (11, 26123170), (22, 13061585), (23, 12493690), (46, 6246845), (53, 5421790), (55, 5224634), (106, 2710895), (110, 2612317), (115, 2498738), (230, 1249369), (253, 1135790), (265, 1084358), (506, 567895), (530, 542179), (583, 492890), (1166, 246445), (1219, 235730), (1265, 227158), (2143, 134090), (2438, 117865), (2530, 113579), (2915, 98578), (4286, 67045), (5830, 49289), (6095, 47146), (10715, 26818), (12190, 23573), (13409, 21430)]