278119910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2133

約数の個数: 64

約数和(自身を含む): 567889920

約数和(自身を除く): 289770010

約数列:

[1, 2, 5, 10, 19, 23, 31, 38, 46, 62, 95, 115, 155, 190, 230, 310, 437, 589, 713, 874, 1178, 1426, 2053, 2185, 2945, 3565, 4106, 4370, 5890, 7130, 10265, 13547, 20530, 27094, 39007, 47219, 63643, 67735, 78014, 94438, 127286, 135470, 195035, 236095, 318215, 390070, 472190, 636430, 897161, 1209217, 1463789, 1794322, 2418434, 2927578, 4485805, 6046085, 7318945, 8971610, 12092170, 14637890, 27811991, 55623982, 139059955, 278119910]

約数ペア:

[(1, 278119910), (2, 139059955), (5, 55623982), (10, 27811991), (19, 14637890), (23, 12092170), (31, 8971610), (38, 7318945), (46, 6046085), (62, 4485805), (95, 2927578), (115, 2418434), (155, 1794322), (190, 1463789), (230, 1209217), (310, 897161), (437, 636430), (589, 472190), (713, 390070), (874, 318215), (1178, 236095), (1426, 195035), (2053, 135470), (2185, 127286), (2945, 94438), (3565, 78014), (4106, 67735), (4370, 63643), (5890, 47219), (7130, 39007), (10265, 27094), (13547, 20530)]