207441460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 462436128

約数和(自身を除く): 254994668

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 251, 310, 430, 502, 620, 860, 961, 1004, 1255, 1333, 1922, 2510, 2666, 3844, 4805, 5020, 5332, 6665, 7781, 9610, 10793, 13330, 15562, 19220, 21586, 26660, 31124, 38905, 41323, 43172, 53965, 77810, 82646, 107930, 155620, 165292, 206615, 215860, 241211, 334583, 413230, 482422, 669166, 826460, 964844, 1206055, 1338332, 1672915, 2412110, 3345830, 4824220, 6691660, 10372073, 20744146, 41488292, 51860365, 103720730, 207441460]

約数ペア:

[(1, 207441460), (2, 103720730), (4, 51860365), (5, 41488292), (10, 20744146), (20, 10372073), (31, 6691660), (43, 4824220), (62, 3345830), (86, 2412110), (124, 1672915), (155, 1338332), (172, 1206055), (215, 964844), (251, 826460), (310, 669166), (430, 482422), (502, 413230), (620, 334583), (860, 241211), (961, 215860), (1004, 206615), (1255, 165292), (1333, 155620), (1922, 107930), (2510, 82646), (2666, 77810), (3844, 53965), (4805, 43172), (5020, 41323), (5332, 38905), (6665, 31124), (7781, 26660), (9610, 21586), (10793, 19220), (13330, 15562)]