394715580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{134257}}^1$

素因数の和:134283

約数の個数: 72

約数和(自身を含む): 1285654608

約数和(自身を除く): 890939028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 134257, 268514, 402771, 537028, 671285, 805542, 939799, 1342570, 1611084, 1879598, 2013855, 2685140, 2819397, 3759196, 4027710, 4698995, 5638794, 6578593, 8055420, 9397990, 11277588, 13157186, 14096985, 18795980, 19735779, 26314372, 28193970, 32892965, 39471558, 56387940, 65785930, 78943116, 98678895, 131571860, 197357790, 394715580]

約数ペア:

[(1, 394715580), (2, 197357790), (3, 131571860), (4, 98678895), (5, 78943116), (6, 65785930), (7, 56387940), (10, 39471558), (12, 32892965), (14, 28193970), (15, 26314372), (20, 19735779), (21, 18795980), (28, 14096985), (30, 13157186), (35, 11277588), (42, 9397990), (49, 8055420), (60, 6578593), (70, 5638794), (84, 4698995), (98, 4027710), (105, 3759196), (140, 2819397), (147, 2685140), (196, 2013855), (210, 1879598), (245, 1611084), (294, 1342570), (420, 939799), (490, 805542), (588, 671285), (735, 537028), (980, 402771), (1470, 268514), (2940, 134257)]