325990420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2423}}^1$

素因数の和:2501

約数の個数: 72

約数和(自身を含む): 808762752

約数和(自身を除く): 482772332

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, 1922, 2170, 2423, 3844, 4340, 4805, 4846, 6727, 9610, 9692, 12115, 13454, 16961, 19220, 24230, 26908, 33635, 33922, 48460, 67270, 67844, 75113, 84805, 134540, 150226, 169610, 300452, 339220, 375565, 525791, 751130, 1051582, 1502260, 2103164, 2328503, 2628955, 4657006, 5257910, 9314012, 10515820, 11642515, 16299521, 23285030, 32599042, 46570060, 65198084, 81497605, 162995210, 325990420]

約数ペア:

[(1, 325990420), (2, 162995210), (4, 81497605), (5, 65198084), (7, 46570060), (10, 32599042), (14, 23285030), (20, 16299521), (28, 11642515), (31, 10515820), (35, 9314012), (62, 5257910), (70, 4657006), (124, 2628955), (140, 2328503), (155, 2103164), (217, 1502260), (310, 1051582), (434, 751130), (620, 525791), (868, 375565), (961, 339220), (1085, 300452), (1922, 169610), (2170, 150226), (2423, 134540), (3844, 84805), (4340, 75113), (4805, 67844), (4846, 67270), (6727, 48460), (9610, 33922), (9692, 33635), (12115, 26908), (13454, 24230), (16961, 19220)]