200060980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1487}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 496468224

約数和(自身を除く): 296407244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1487, 1922, 2170, 2974, 3844, 4340, 4805, 5948, 6727, 7435, 9610, 10409, 13454, 14870, 19220, 20818, 26908, 29740, 33635, 41636, 46097, 52045, 67270, 92194, 104090, 134540, 184388, 208180, 230485, 322679, 460970, 645358, 921940, 1290716, 1429007, 1613395, 2858014, 3226790, 5716028, 6453580, 7145035, 10003049, 14290070, 20006098, 28580140, 40012196, 50015245, 100030490, 200060980]

約数ペア:

[(1, 200060980), (2, 100030490), (4, 50015245), (5, 40012196), (7, 28580140), (10, 20006098), (14, 14290070), (20, 10003049), (28, 7145035), (31, 6453580), (35, 5716028), (62, 3226790), (70, 2858014), (124, 1613395), (140, 1429007), (155, 1290716), (217, 921940), (310, 645358), (434, 460970), (620, 322679), (868, 230485), (961, 208180), (1085, 184388), (1487, 134540), (1922, 104090), (2170, 92194), (2974, 67270), (3844, 52045), (4340, 46097), (4805, 41636), (5948, 33635), (6727, 29740), (7435, 26908), (9610, 20818), (10409, 19220), (13454, 14870)]