856555890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{6271}}^1$

素因数の和:6467

約数の個数: 64

約数和(自身を含む): 2140508160

約数和(自身を除く): 1283952270

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 157, 174, 290, 314, 435, 471, 785, 870, 942, 1570, 2355, 4553, 4710, 6271, 9106, 12542, 13659, 18813, 22765, 27318, 31355, 37626, 45530, 62710, 68295, 94065, 136590, 181859, 188130, 363718, 545577, 909295, 984547, 1091154, 1818590, 1969094, 2727885, 2953641, 4922735, 5455770, 5907282, 9845470, 14768205, 28551863, 29536410, 57103726, 85655589, 142759315, 171311178, 285518630, 428277945, 856555890]

約数ペア:

[(1, 856555890), (2, 428277945), (3, 285518630), (5, 171311178), (6, 142759315), (10, 85655589), (15, 57103726), (29, 29536410), (30, 28551863), (58, 14768205), (87, 9845470), (145, 5907282), (157, 5455770), (174, 4922735), (290, 2953641), (314, 2727885), (435, 1969094), (471, 1818590), (785, 1091154), (870, 984547), (942, 909295), (1570, 545577), (2355, 363718), (4553, 188130), (4710, 181859), (6271, 136590), (9106, 94065), (12542, 68295), (13659, 62710), (18813, 45530), (22765, 37626), (27318, 31355)]