140834820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47903}}^1$

素因数の和:47929

約数の個数: 72

約数和(自身を含む): 458728704

約数和(自身を除く): 317893884

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, 47903, 95806, 143709, 191612, 239515, 287418, 335321, 479030, 574836, 670642, 718545, 958060, 1005963, 1341284, 1437090, 1676605, 2011926, 2347247, 2874180, 3353210, 4023852, 4694494, 5029815, 6706420, 7041741, 9388988, 10059630, 11736235, 14083482, 20119260, 23472470, 28166964, 35208705, 46944940, 70417410, 140834820]

約数ペア:

[(1, 140834820), (2, 70417410), (3, 46944940), (4, 35208705), (5, 28166964), (6, 23472470), (7, 20119260), (10, 14083482), (12, 11736235), (14, 10059630), (15, 9388988), (20, 7041741), (21, 6706420), (28, 5029815), (30, 4694494), (35, 4023852), (42, 3353210), (49, 2874180), (60, 2347247), (70, 2011926), (84, 1676605), (98, 1437090), (105, 1341284), (140, 1005963), (147, 958060), (196, 718545), (210, 670642), (245, 574836), (294, 479030), (420, 335321), (490, 287418), (588, 239515), (735, 191612), (980, 143709), (1470, 95806), (2940, 47903)]