130620980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30097}}^1$

素因数の和:30144

約数の個数: 48

約数和(自身を含む): 323613696

約数和(自身を除く): 192992716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 30097, 60194, 120388, 150485, 210679, 300970, 421358, 601940, 842716, 933007, 1053395, 1866014, 2106790, 3732028, 4213580, 4665035, 6531049, 9330070, 13062098, 18660140, 26124196, 32655245, 65310490, 130620980]

約数ペア:

[(1, 130620980), (2, 65310490), (4, 32655245), (5, 26124196), (7, 18660140), (10, 13062098), (14, 9330070), (20, 6531049), (28, 4665035), (31, 4213580), (35, 3732028), (62, 2106790), (70, 1866014), (124, 1053395), (140, 933007), (155, 842716), (217, 601940), (310, 421358), (434, 300970), (620, 210679), (868, 150485), (1085, 120388), (2170, 60194), (4340, 30097)]