89984988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 240786000

約数和(自身を除く): 150801012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 293, 342, 449, 586, 684, 879, 898, 1172, 1347, 1758, 1796, 2637, 2694, 3516, 4041, 5274, 5388, 5567, 8082, 8531, 10548, 11134, 16164, 16701, 17062, 22268, 25593, 33402, 34124, 50103, 51186, 66804, 76779, 100206, 102372, 131557, 153558, 200412, 263114, 307116, 394671, 526228, 789342, 1184013, 1578684, 2368026, 2499583, 4736052, 4999166, 7498749, 9998332, 14997498, 22496247, 29994996, 44992494, 89984988]

約数ペア:

[(1, 89984988), (2, 44992494), (3, 29994996), (4, 22496247), (6, 14997498), (9, 9998332), (12, 7498749), (18, 4999166), (19, 4736052), (36, 2499583), (38, 2368026), (57, 1578684), (76, 1184013), (114, 789342), (171, 526228), (228, 394671), (293, 307116), (342, 263114), (449, 200412), (586, 153558), (684, 131557), (879, 102372), (898, 100206), (1172, 76779), (1347, 66804), (1758, 51186), (1796, 50103), (2637, 34124), (2694, 33402), (3516, 25593), (4041, 22268), (5274, 17062), (5388, 16701), (5567, 16164), (8082, 11134), (8531, 10548)]