140499440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 340144896

約数和(自身を除く): 199645456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 313, 362, 496, 620, 626, 724, 905, 1240, 1252, 1448, 1565, 1810, 2480, 2504, 2896, 3130, 3620, 5008, 5611, 6260, 7240, 9703, 11222, 12520, 14480, 19406, 22444, 25040, 28055, 38812, 44888, 48515, 56110, 56653, 77624, 89776, 97030, 112220, 113306, 155248, 194060, 224440, 226612, 283265, 388120, 448880, 453224, 566530, 776240, 906448, 1133060, 1756243, 2266120, 3512486, 4532240, 7024972, 8781215, 14049944, 17562430, 28099888, 35124860, 70249720, 140499440]

約数ペア:

[(1, 140499440), (2, 70249720), (4, 35124860), (5, 28099888), (8, 17562430), (10, 14049944), (16, 8781215), (20, 7024972), (31, 4532240), (40, 3512486), (62, 2266120), (80, 1756243), (124, 1133060), (155, 906448), (181, 776240), (248, 566530), (310, 453224), (313, 448880), (362, 388120), (496, 283265), (620, 226612), (626, 224440), (724, 194060), (905, 155248), (1240, 113306), (1252, 112220), (1448, 97030), (1565, 89776), (1810, 77624), (2480, 56653), (2504, 56110), (2896, 48515), (3130, 44888), (3620, 38812), (5008, 28055), (5611, 25040), (6260, 22444), (7240, 19406), (9703, 14480), (11222, 12520)]