243312440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{124139}}^1$

素因数の和:124164

約数の個数: 48

約数和(自身を含む): 636838200

約数和(自身を除く): 393525760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 124139, 248278, 496556, 620695, 868973, 993112, 1241390, 1737946, 2482780, 3475892, 4344865, 4965560, 6082811, 6951784, 8689730, 12165622, 17379460, 24331244, 30414055, 34758920, 48662488, 60828110, 121656220, 243312440]

約数ペア:

[(1, 243312440), (2, 121656220), (4, 60828110), (5, 48662488), (7, 34758920), (8, 30414055), (10, 24331244), (14, 17379460), (20, 12165622), (28, 8689730), (35, 6951784), (40, 6082811), (49, 4965560), (56, 4344865), (70, 3475892), (98, 2482780), (140, 1737946), (196, 1241390), (245, 993112), (280, 868973), (392, 620695), (490, 496556), (980, 248278), (1960, 124139)]