1962156980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{105379}}^1$

素因数の和:105421

約数の個数: 72

約数和(自身を含む): 5045594400

約数和(自身を除く): 3083437420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 105379, 210758, 421516, 526895, 737653, 1053790, 1475306, 2002201, 2107580, 2950612, 3688265, 4004402, 5163571, 7376530, 8008804, 10011005, 10327142, 14015407, 14753060, 20022010, 20654284, 25817855, 28030814, 40044020, 51635710, 56061628, 70077035, 98107849, 103271420, 140154070, 196215698, 280308140, 392431396, 490539245, 981078490, 1962156980]

約数ペア:

[(1, 1962156980), (2, 981078490), (4, 490539245), (5, 392431396), (7, 280308140), (10, 196215698), (14, 140154070), (19, 103271420), (20, 98107849), (28, 70077035), (35, 56061628), (38, 51635710), (49, 40044020), (70, 28030814), (76, 25817855), (95, 20654284), (98, 20022010), (133, 14753060), (140, 14015407), (190, 10327142), (196, 10011005), (245, 8008804), (266, 7376530), (380, 5163571), (490, 4004402), (532, 3688265), (665, 2950612), (931, 2107580), (980, 2002201), (1330, 1475306), (1862, 1053790), (2660, 737653), (3724, 526895), (4655, 421516), (9310, 210758), (18620, 105379)]