156601700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 352894080

約数和(自身を除く): 196292380

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 79, 86, 100, 158, 172, 215, 316, 395, 430, 461, 790, 860, 922, 1075, 1580, 1844, 1975, 2150, 2305, 3397, 3950, 4300, 4610, 6794, 7900, 9220, 11525, 13588, 16985, 19823, 23050, 33970, 36419, 39646, 46100, 67940, 72838, 79292, 84925, 99115, 145676, 169850, 182095, 198230, 339700, 364190, 396460, 495575, 728380, 910475, 991150, 1566017, 1820950, 1982300, 3132034, 3641900, 6264068, 7830085, 15660170, 31320340, 39150425, 78300850, 156601700]

約数ペア:

[(1, 156601700), (2, 78300850), (4, 39150425), (5, 31320340), (10, 15660170), (20, 7830085), (25, 6264068), (43, 3641900), (50, 3132034), (79, 1982300), (86, 1820950), (100, 1566017), (158, 991150), (172, 910475), (215, 728380), (316, 495575), (395, 396460), (430, 364190), (461, 339700), (790, 198230), (860, 182095), (922, 169850), (1075, 145676), (1580, 99115), (1844, 84925), (1975, 79292), (2150, 72838), (2305, 67940), (3397, 46100), (3950, 39646), (4300, 36419), (4610, 33970), (6794, 23050), (7900, 19823), (9220, 16985), (11525, 13588)]