68681428

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 139255200

約数和(自身を除く): 70573772

約数列:

[1, 2, 4, 17, 19, 34, 38, 53, 59, 68, 76, 106, 118, 212, 236, 289, 323, 578, 646, 901, 1003, 1007, 1121, 1156, 1292, 1802, 2006, 2014, 2242, 3127, 3604, 4012, 4028, 4484, 5491, 6254, 10982, 12508, 15317, 17051, 17119, 19057, 21964, 30634, 34102, 34238, 38114, 53159, 59413, 61268, 68204, 68476, 76228, 106318, 118826, 212636, 237652, 291023, 323969, 582046, 647938, 903703, 1010021, 1164092, 1295876, 1807406, 2020042, 3614812, 4040084, 17170357, 34340714, 68681428]

約数ペア:

[(1, 68681428), (2, 34340714), (4, 17170357), (17, 4040084), (19, 3614812), (34, 2020042), (38, 1807406), (53, 1295876), (59, 1164092), (68, 1010021), (76, 903703), (106, 647938), (118, 582046), (212, 323969), (236, 291023), (289, 237652), (323, 212636), (578, 118826), (646, 106318), (901, 76228), (1003, 68476), (1007, 68204), (1121, 61268), (1156, 59413), (1292, 53159), (1802, 38114), (2006, 34238), (2014, 34102), (2242, 30634), (3127, 21964), (3604, 19057), (4012, 17119), (4028, 17051), (4484, 15317), (5491, 12508), (6254, 10982)]