83394040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 198871200

約数和(自身を除く): 115477160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 557, 760, 788, 985, 1114, 1576, 1970, 2228, 2785, 3743, 3940, 4456, 5570, 7486, 7880, 10583, 11140, 14972, 18715, 21166, 22280, 29944, 37430, 42332, 52915, 74860, 84664, 105830, 109729, 149720, 211660, 219458, 423320, 438916, 548645, 877832, 1097290, 2084851, 2194580, 4169702, 4389160, 8339404, 10424255, 16678808, 20848510, 41697020, 83394040]

約数ペア:

[(1, 83394040), (2, 41697020), (4, 20848510), (5, 16678808), (8, 10424255), (10, 8339404), (19, 4389160), (20, 4169702), (38, 2194580), (40, 2084851), (76, 1097290), (95, 877832), (152, 548645), (190, 438916), (197, 423320), (380, 219458), (394, 211660), (557, 149720), (760, 109729), (788, 105830), (985, 84664), (1114, 74860), (1576, 52915), (1970, 42332), (2228, 37430), (2785, 29944), (3743, 22280), (3940, 21166), (4456, 18715), (5570, 14972), (7486, 11140), (7880, 10583)]