68995220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 172854528

約数和(自身を除く): 103859308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 73, 86, 140, 146, 157, 172, 215, 292, 301, 314, 365, 430, 511, 602, 628, 730, 785, 860, 1022, 1099, 1204, 1460, 1505, 1570, 2044, 2198, 2555, 3010, 3139, 3140, 4396, 5110, 5495, 6020, 6278, 6751, 10220, 10990, 11461, 12556, 13502, 15695, 21973, 21980, 22922, 27004, 31390, 33755, 43946, 45844, 47257, 57305, 62780, 67510, 80227, 87892, 94514, 109865, 114610, 135020, 160454, 189028, 219730, 229220, 236285, 320908, 401135, 439460, 472570, 492823, 802270, 945140, 985646, 1604540, 1971292, 2464115, 3449761, 4928230, 6899522, 9856460, 13799044, 17248805, 34497610, 68995220]

約数ペア:

[(1, 68995220), (2, 34497610), (4, 17248805), (5, 13799044), (7, 9856460), (10, 6899522), (14, 4928230), (20, 3449761), (28, 2464115), (35, 1971292), (43, 1604540), (70, 985646), (73, 945140), (86, 802270), (140, 492823), (146, 472570), (157, 439460), (172, 401135), (215, 320908), (292, 236285), (301, 229220), (314, 219730), (365, 189028), (430, 160454), (511, 135020), (602, 114610), (628, 109865), (730, 94514), (785, 87892), (860, 80227), (1022, 67510), (1099, 62780), (1204, 57305), (1460, 47257), (1505, 45844), (1570, 43946), (2044, 33755), (2198, 31390), (2555, 27004), (3010, 22922), (3139, 21980), (3140, 21973), (4396, 15695), (5110, 13502), (5495, 12556), (6020, 11461), (6278, 10990), (6751, 10220)]