191450420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1423}}^1$

素因数の和:1501

約数の個数: 72

約数和(自身を含む): 475114752

約数和(自身を除く): 283664332

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, 1423, 1922, 2170, 2846, 3844, 4340, 4805, 5692, 6727, 7115, 9610, 9961, 13454, 14230, 19220, 19922, 26908, 28460, 33635, 39844, 44113, 49805, 67270, 88226, 99610, 134540, 176452, 199220, 220565, 308791, 441130, 617582, 882260, 1235164, 1367503, 1543955, 2735006, 3087910, 5470012, 6175820, 6837515, 9572521, 13675030, 19145042, 27350060, 38290084, 47862605, 95725210, 191450420]

約数ペア:

[(1, 191450420), (2, 95725210), (4, 47862605), (5, 38290084), (7, 27350060), (10, 19145042), (14, 13675030), (20, 9572521), (28, 6837515), (31, 6175820), (35, 5470012), (62, 3087910), (70, 2735006), (124, 1543955), (140, 1367503), (155, 1235164), (217, 882260), (310, 617582), (434, 441130), (620, 308791), (868, 220565), (961, 199220), (1085, 176452), (1423, 134540), (1922, 99610), (2170, 88226), (2846, 67270), (3844, 49805), (4340, 44113), (4805, 39844), (5692, 33635), (6727, 28460), (7115, 26908), (9610, 19922), (9961, 19220), (13454, 14230)]