123958280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{773}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 295358400

約数和(自身を除く): 171400120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 760, 773, 844, 1055, 1546, 1688, 2110, 3092, 3865, 4009, 4220, 6184, 7730, 8018, 8440, 14687, 15460, 16036, 20045, 29374, 30920, 32072, 40090, 58748, 73435, 80180, 117496, 146870, 160360, 163103, 293740, 326206, 587480, 652412, 815515, 1304824, 1631030, 3098957, 3262060, 6197914, 6524120, 12395828, 15494785, 24791656, 30989570, 61979140, 123958280]

約数ペア:

[(1, 123958280), (2, 61979140), (4, 30989570), (5, 24791656), (8, 15494785), (10, 12395828), (19, 6524120), (20, 6197914), (38, 3262060), (40, 3098957), (76, 1631030), (95, 1304824), (152, 815515), (190, 652412), (211, 587480), (380, 326206), (422, 293740), (760, 163103), (773, 160360), (844, 146870), (1055, 117496), (1546, 80180), (1688, 73435), (2110, 58748), (3092, 40090), (3865, 32072), (4009, 30920), (4220, 29374), (6184, 20045), (7730, 16036), (8018, 15460), (8440, 14687)]