278875688

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 657043200

約数和(自身を除く): 378167512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 169, 182, 316, 338, 364, 373, 553, 632, 676, 728, 746, 1027, 1106, 1183, 1352, 1492, 2054, 2212, 2366, 2611, 2984, 4108, 4424, 4732, 4849, 5222, 7189, 8216, 9464, 9698, 10444, 13351, 14378, 19396, 20888, 26702, 28756, 29467, 33943, 38792, 53404, 57512, 58934, 63037, 67886, 93457, 106808, 117868, 126074, 135772, 186914, 206269, 235736, 252148, 271544, 373828, 383071, 412538, 441259, 504296, 747656, 766142, 825076, 882518, 1532284, 1650152, 1765036, 2681497, 3064568, 3530072, 4979923, 5362994, 9959846, 10725988, 19919692, 21451976, 34859461, 39839384, 69718922, 139437844, 278875688]

約数ペア:

[(1, 278875688), (2, 139437844), (4, 69718922), (7, 39839384), (8, 34859461), (13, 21451976), (14, 19919692), (26, 10725988), (28, 9959846), (52, 5362994), (56, 4979923), (79, 3530072), (91, 3064568), (104, 2681497), (158, 1765036), (169, 1650152), (182, 1532284), (316, 882518), (338, 825076), (364, 766142), (373, 747656), (553, 504296), (632, 441259), (676, 412538), (728, 383071), (746, 373828), (1027, 271544), (1106, 252148), (1183, 235736), (1352, 206269), (1492, 186914), (2054, 135772), (2212, 126074), (2366, 117868), (2611, 106808), (2984, 93457), (4108, 67886), (4424, 63037), (4732, 58934), (4849, 57512), (5222, 53404), (7189, 38792), (8216, 33943), (9464, 29467), (9698, 28756), (10444, 26702), (13351, 20888), (14378, 19396)]