440884227

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 729907200

約数和(自身を除く): 289022973

約数列:

[1, 3, 7, 19, 21, 57, 71, 79, 133, 197, 213, 237, 399, 497, 553, 591, 1349, 1379, 1491, 1501, 1659, 3743, 4047, 4137, 4503, 5609, 9443, 10507, 11229, 13987, 15563, 16827, 26201, 28329, 31521, 39263, 41961, 46689, 78603, 97909, 106571, 108941, 117789, 265753, 293727, 295697, 319713, 326823, 745997, 797259, 887091, 1104973, 1860271, 2069879, 2237991, 3314919, 5580813, 6209637, 7734811, 20994487, 23204433, 62983461, 146961409, 440884227]

約数ペア:

[(1, 440884227), (3, 146961409), (7, 62983461), (19, 23204433), (21, 20994487), (57, 7734811), (71, 6209637), (79, 5580813), (133, 3314919), (197, 2237991), (213, 2069879), (237, 1860271), (399, 1104973), (497, 887091), (553, 797259), (591, 745997), (1349, 326823), (1379, 319713), (1491, 295697), (1501, 293727), (1659, 265753), (3743, 117789), (4047, 108941), (4137, 106571), (4503, 97909), (5609, 78603), (9443, 46689), (10507, 41961), (11229, 39263), (13987, 31521), (15563, 28329), (16827, 26201)]