7831280940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2663701}}^1$

素因数の和:2663727

約数の個数: 72

約数和(自身を含む): 25507610352

約数和(自身を除く): 17676329412

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, 2663701, 5327402, 7991103, 10654804, 13318505, 15982206, 18645907, 26637010, 31964412, 37291814, 39955515, 53274020, 55937721, 74583628, 79911030, 93229535, 111875442, 130521349, 159822060, 186459070, 223750884, 261042698, 279688605, 372918140, 391564047, 522085396, 559377210, 652606745, 783128094, 1118754420, 1305213490, 1566256188, 1957820235, 2610426980, 3915640470, 7831280940]

約数ペア:

[(1, 7831280940), (2, 3915640470), (3, 2610426980), (4, 1957820235), (5, 1566256188), (6, 1305213490), (7, 1118754420), (10, 783128094), (12, 652606745), (14, 559377210), (15, 522085396), (20, 391564047), (21, 372918140), (28, 279688605), (30, 261042698), (35, 223750884), (42, 186459070), (49, 159822060), (60, 130521349), (70, 111875442), (84, 93229535), (98, 79911030), (105, 74583628), (140, 55937721), (147, 53274020), (196, 39955515), (210, 37291814), (245, 31964412), (294, 26637010), (420, 18645907), (490, 15982206), (588, 13318505), (735, 10654804), (980, 7991103), (1470, 5327402), (2940, 2663701)]