248209520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 669332160

約数和(自身を除く): 421122640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 101, 104, 130, 136, 139, 170, 202, 208, 221, 260, 272, 278, 340, 404, 442, 505, 520, 556, 680, 695, 808, 884, 1010, 1040, 1105, 1112, 1313, 1360, 1390, 1616, 1717, 1768, 1807, 2020, 2210, 2224, 2363, 2626, 2780, 3434, 3536, 3614, 4040, 4420, 4726, 5252, 5560, 6565, 6868, 7228, 8080, 8585, 8840, 9035, 9452, 10504, 11120, 11815, 13130, 13736, 14039, 14456, 17170, 17680, 18070, 18904, 21008, 22321, 23630, 26260, 27472, 28078, 28912, 30719, 34340, 36140, 37808, 44642, 47260, 52520, 56156, 61438, 68680, 70195, 72280, 89284, 94520, 105040, 111605, 112312, 122876, 137360, 140390, 144560, 153595, 178568, 182507, 189040, 223210, 224624, 238663, 245752, 280780, 307190, 357136, 365014, 446420, 477326, 491504, 561560, 614380, 730028, 892840, 912535, 954652, 1123120, 1193315, 1228760, 1460056, 1785680, 1825070, 1909304, 2386630, 2457520, 2920112, 3102619, 3650140, 3818608, 4773260, 6205238, 7300280, 9546520, 12410476, 14600560, 15513095, 19093040, 24820952, 31026190, 49641904, 62052380, 124104760, 248209520]

約数ペア:

[(1, 248209520), (2, 124104760), (4, 62052380), (5, 49641904), (8, 31026190), (10, 24820952), (13, 19093040), (16, 15513095), (17, 14600560), (20, 12410476), (26, 9546520), (34, 7300280), (40, 6205238), (52, 4773260), (65, 3818608), (68, 3650140), (80, 3102619), (85, 2920112), (101, 2457520), (104, 2386630), (130, 1909304), (136, 1825070), (139, 1785680), (170, 1460056), (202, 1228760), (208, 1193315), (221, 1123120), (260, 954652), (272, 912535), (278, 892840), (340, 730028), (404, 614380), (442, 561560), (505, 491504), (520, 477326), (556, 446420), (680, 365014), (695, 357136), (808, 307190), (884, 280780), (1010, 245752), (1040, 238663), (1105, 224624), (1112, 223210), (1313, 189040), (1360, 182507), (1390, 178568), (1616, 153595), (1717, 144560), (1768, 140390), (1807, 137360), (2020, 122876), (2210, 112312), (2224, 111605), (2363, 105040), (2626, 94520), (2780, 89284), (3434, 72280), (3536, 70195), (3614, 68680), (4040, 61438), (4420, 56156), (4726, 52520), (5252, 47260), (5560, 44642), (6565, 37808), (6868, 36140), (7228, 34340), (8080, 30719), (8585, 28912), (8840, 28078), (9035, 27472), (9452, 26260), (10504, 23630), (11120, 22321), (11815, 21008), (13130, 18904), (13736, 18070), (14039, 17680), (14456, 17170)]