1285751390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 2987228160

約数和(自身を除く): 1701476770

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 70, 77, 82, 110, 139, 154, 205, 278, 287, 293, 385, 410, 451, 574, 586, 695, 770, 902, 973, 1390, 1435, 1465, 1529, 1946, 2051, 2255, 2870, 2930, 3058, 3157, 3223, 4102, 4510, 4865, 5699, 6314, 6446, 7645, 9730, 10255, 10703, 11398, 12013, 15290, 15785, 16115, 20510, 21406, 22561, 24026, 28495, 31570, 32230, 39893, 40727, 45122, 53515, 56990, 60065, 62689, 79786, 81454, 84091, 107030, 112805, 120130, 125378, 132143, 168182, 199465, 203635, 225610, 264286, 285089, 313445, 398930, 407270, 420455, 438823, 447997, 570178, 626890, 660715, 840910, 877646, 895994, 925001, 1321430, 1425445, 1669807, 1850002, 2194115, 2239985, 2850890, 3135979, 3339614, 4388230, 4479970, 4625005, 6271958, 8349035, 9250010, 11688649, 15679895, 16698070, 18367877, 23377298, 31359790, 36735754, 58443245, 91839385, 116886490, 128575139, 183678770, 257150278, 642875695, 1285751390]

約数ペア:

[(1, 1285751390), (2, 642875695), (5, 257150278), (7, 183678770), (10, 128575139), (11, 116886490), (14, 91839385), (22, 58443245), (35, 36735754), (41, 31359790), (55, 23377298), (70, 18367877), (77, 16698070), (82, 15679895), (110, 11688649), (139, 9250010), (154, 8349035), (205, 6271958), (278, 4625005), (287, 4479970), (293, 4388230), (385, 3339614), (410, 3135979), (451, 2850890), (574, 2239985), (586, 2194115), (695, 1850002), (770, 1669807), (902, 1425445), (973, 1321430), (1390, 925001), (1435, 895994), (1465, 877646), (1529, 840910), (1946, 660715), (2051, 626890), (2255, 570178), (2870, 447997), (2930, 438823), (3058, 420455), (3157, 407270), (3223, 398930), (4102, 313445), (4510, 285089), (4865, 264286), (5699, 225610), (6314, 203635), (6446, 199465), (7645, 168182), (9730, 132143), (10255, 125378), (10703, 120130), (11398, 112805), (12013, 107030), (15290, 84091), (15785, 81454), (16115, 79786), (20510, 62689), (21406, 60065), (22561, 56990), (24026, 53515), (28495, 45122), (31570, 40727), (32230, 39893)]