139741490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 301252608

約数和(自身を除く): 161511118

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 71, 142, 155, 217, 310, 355, 434, 497, 710, 907, 994, 1085, 1814, 2170, 2201, 2485, 4402, 4535, 4970, 6349, 9070, 11005, 12698, 15407, 22010, 28117, 30814, 31745, 56234, 63490, 64397, 77035, 128794, 140585, 154070, 196819, 281170, 321985, 393638, 450779, 643970, 901558, 984095, 1968190, 1996307, 2253895, 3992614, 4507790, 9981535, 13974149, 19963070, 27948298, 69870745, 139741490]

約数ペア:

[(1, 139741490), (2, 69870745), (5, 27948298), (7, 19963070), (10, 13974149), (14, 9981535), (31, 4507790), (35, 3992614), (62, 2253895), (70, 1996307), (71, 1968190), (142, 984095), (155, 901558), (217, 643970), (310, 450779), (355, 393638), (434, 321985), (497, 281170), (710, 196819), (907, 154070), (994, 140585), (1085, 128794), (1814, 77035), (2170, 64397), (2201, 63490), (2485, 56234), (4402, 31745), (4535, 30814), (4970, 28117), (6349, 22010), (9070, 15407), (11005, 12698)]