278142216

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 816034800

約数和(自身を除く): 537892584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 71, 76, 88, 114, 121, 132, 142, 152, 209, 213, 228, 242, 264, 284, 363, 418, 426, 456, 484, 568, 627, 726, 781, 836, 852, 968, 1254, 1349, 1452, 1562, 1672, 1704, 2299, 2343, 2508, 2698, 2904, 3124, 4047, 4598, 4686, 5016, 5041, 5396, 6248, 6897, 8094, 8591, 9196, 9372, 10082, 10792, 13794, 14839, 15123, 16188, 17182, 18392, 18744, 20164, 25773, 27588, 29678, 30246, 32376, 34364, 40328, 44517, 51546, 55176, 55451, 59356, 60492, 68728, 89034, 95779, 103092, 110902, 118712, 120984, 163229, 166353, 178068, 191558, 206184, 221804, 287337, 326458, 332706, 356136, 383116, 443608, 489687, 574674, 609961, 652916, 665412, 766232, 979374, 1053569, 1149348, 1219922, 1305832, 1330824, 1829883, 1958748, 2107138, 2298696, 2439844, 3160707, 3659766, 3917496, 4214276, 4879688, 6321414, 7319532, 8428552, 11589259, 12642828, 14639064, 23178518, 25285656, 34767777, 46357036, 69535554, 92714072, 139071108, 278142216]

約数ペア:

[(1, 278142216), (2, 139071108), (3, 92714072), (4, 69535554), (6, 46357036), (8, 34767777), (11, 25285656), (12, 23178518), (19, 14639064), (22, 12642828), (24, 11589259), (33, 8428552), (38, 7319532), (44, 6321414), (57, 4879688), (66, 4214276), (71, 3917496), (76, 3659766), (88, 3160707), (114, 2439844), (121, 2298696), (132, 2107138), (142, 1958748), (152, 1829883), (209, 1330824), (213, 1305832), (228, 1219922), (242, 1149348), (264, 1053569), (284, 979374), (363, 766232), (418, 665412), (426, 652916), (456, 609961), (484, 574674), (568, 489687), (627, 443608), (726, 383116), (781, 356136), (836, 332706), (852, 326458), (968, 287337), (1254, 221804), (1349, 206184), (1452, 191558), (1562, 178068), (1672, 166353), (1704, 163229), (2299, 120984), (2343, 118712), (2508, 110902), (2698, 103092), (2904, 95779), (3124, 89034), (4047, 68728), (4598, 60492), (4686, 59356), (5016, 55451), (5041, 55176), (5396, 51546), (6248, 44517), (6897, 40328), (8094, 34364), (8591, 32376), (9196, 30246), (9372, 29678), (10082, 27588), (10792, 25773), (13794, 20164), (14839, 18744), (15123, 18392), (16188, 17182)]